Why African Rhinos Are Facing a Crisis

The body count for African rhinos killed for their horns is approaching crisis proportions, according to the latest figures released by the International Union for Conservation of Nature (IUCN).

To National Geographic reporter Peter Gwin, the dire numbers—a rhinoceros slain every 11 minutes since the beginning of 2013—don't come as a surprise. "The killing will continue as long as criminal gangs know they can expect high profits for selling horns to Asian buyers," said Gwin, who wrote about the violent and illegal trade in rhino horn in the March 2012 issue of the magazine.

The recent surge in poaching has been fueled by a thriving market in Vietnam and China for rhino horn, used as a traditional medicine believed to cure everything from hangovers to cancer. Since 2011, at least 1,700 rhinos, or 7 percent of the total population, have been killed and their horns hacked off, according to the IUCN. More than two-thirds of the casualties occurred in South Africa, home to 73 percent of the world's wild rhinos. In Africa there are currently 5,055 black rhinos, listed as critically endangered by the IUCN, and 20,405 white rhinos. (From our blog: "South African Rhino Poaching Hits New High.")

Trying to snuff out poaching by itself won't work, said Gwin. The South African government is fighting a losing battle on the ground to gangs using helicopters, dart guns, high-powered weapons—and lots of money. (National Geographic pictures: The bloody poaching battle over rhino horn [contains graphic images].)

"Every year they get tougher on poaching, but rhino killings continue to rise astronomically," said Gwin. "Somehow they have to address the demand side in a meaningful way. This means either shutting down the Asian markets for rhino horn, or controversially, finding a way to sustainably harvest rhino horns, control their legal sale, and meet what appears to be a huge demand. Either will be a formidable endeavor."

Hope and Hurdles

The signing in December of a memorandum of understanding between South Africa and Vietnam to deal with rhino poaching and other conservation issues raises hope for some concrete action. Observers say the next step is for the two governments to follow through with tangible crime-stopping efforts such as intelligence sharing and other collaboration. The highest hurdle to stopping criminal trade, though, is cultural, Gwin believes. "In Vietnam and China, a lot of people simply believe that as a traditional cure, rhino horn works." (Related: "Blood Ivory.")

The recent climb in rhino deaths threatens what had been a conservation success story. Since 1995, due to better law enforcement, monitoring, and other actions, the overall rhino numbers have steadily risen. The poaching epidemic, the IUCN warns, could dramatically slow and possibly reverse population gains.

The population growth is also being stymied by South Africa's private game farmers, who breed rhinos for sport hunting and tourism and for many years have helped rebuild rhino numbers. Many of them are getting out of the business due to the high costs of security and other risks associated with the poaching invasions.

Those who still have rhinos on their farms will often pay a veterinarian to cut the horns off—under government supervision—to dissuade poachers, but the process costs more than $2,000 and has to be repeated when the horns grow back every two years. Even then the farmers are stuck with horns that are illegal to sell—and which criminals seek to obtain.

Room for Debate

Rhino killings and the trade in their horns will be a major topic at a high-profile conference, the 16th meeting of the Conference of the Parties to the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), which opens in Bangkok March 3. What won't surprise Gwin is if the issue of sustainably harvesting rhino horns from live animals comes up for discussion.

"It's an idea that seems to be gaining traction among some South African politicians and law enforcement circles," he said, noting that the international conservation community strongly opposes any talk of legalizing the trade of rhino horn, sustainably harvested or not. The bottom line for all parties in the discussion is clear, said Gwin: "The slaughter has to stop if rhinos are to survive."

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Holder Says Sequester Makes America Less Safe

The looming budget sequestration will make Americans less safe, Eric Holder says—and anyone who says otherwise isn't telling the truth.

"This is something that is going to have an impact on the safety of this country," the U.S. attorney general told ABC's Pierre Thomas on Wednesday in a wide-ranging, exclusive interview.

"And anybody that says otherwise is either lying or saying something that runs contrary to the facts," Holder said.

In his interview with ABC News, Holder reiterated warnings that if automatic spending cuts are triggered on Friday, the Justice Department will be handicapped in some of its most vital missions to prevent terrorist attacks and crime.

"The Justice Department is going to lose nine percent of its budget between now and September 30th. We're going to lose $1.6 billion. There are not going to be as many FBI agents, ATF agents, DEA agents, prosecutors who are going to be able to do their jobs," Holder said. "They're going to be furloughed. They're going to spend time out of their offices, not doing their jobs."

Portions of the interview will air Wednesday, February 27 on "ABC World News"

Patrick Semansky/AP Photo

Eric Holder Says Homegrown Terror Threat Equals International: Exclusive Watch Video

Eric Holder Remembers Newtown, His Worst Day on the Job: Exclusive Watch Video

President Obama's Cabinet members have been warning for weeks that budget sequestration, which will begin Friday unless Obama and Republicans reach a deficit-reduction deal to avoid it, will leave their agencies shorthanded and could bring about disastrous consequences. Homeland Security Secretary Janet Napolitano and Transportation Secretary Ray LaHood have both appeared at the White House press briefing room to warn that furloughs for border-patrol agents, TSA agents and air-traffic controllers will mean weakened border and port security, longer waits in airport security lines, and logjammed air travel.

Holder, for his part, warned in a Feb. 1 letter to the Senate Appropriations Committee that cuts to the FBI, the ATF, the U.S. Marshals Service, and U.S. Attorneys would limit the department's capacity to investigate crimes. Cuts at the Bureau of Prisons, Holder wrote, would mean lockdowns and potential violence, with fewer staff members on hand. In a separate letter, FBI Director Robert Mueller warned that counterterrorism operations would be affected, with the possible elimination of some joint terrorism task forces with state and local police. Limited surveillance and slower response times would mean unwatched targets and the possibility that individuals on terrorism watch lists could gain entry to the U.S.

"FBI's ability to proactively penetrate and disrupt terrorist plans and groups prior to an attack would be impacted," Mueller wrote.

To Holder, the problem is simple.

"If you don't have prosecutors and agents doing what we expect them to do, and we won't if this thing actually takes place, we are going to be a nation that is going to be less safe. And that is simple fact," Holder said.

Some Republicans have claimed the Obama administration is exaggerating the sequester's purported consequences as a ploy to campaign for tax hikes. On "Fox News Sunday" this week, Sen. Tom Coburn, R-Okla., posited that federal agencies enjoy enough flexibility to avoid the worst consequences of the cuts.

On Wednesday, Holder acknowledged that the Justice Department will do what it can to avoid compromised security, while maintaining that furloughs can't be avoided.

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Titles for Hillary’s book

The Oscars — all 3¹/
₂ hours — are over.

So now it’s time to announce far more important contest winners — the five best entries in the In the Loop “Title Hillary’s Memoir” contest.

In January, with her tenure as secretary of state ending, Hillary Rodham Clinton said she would pen a memoir, and we had asked Loop Fans to help her with a title.

A large percentage of the hundreds of entries came from overseas — probably reflecting Clinton’s global footprint.

In addition, hundreds of entries came via Twitter from France (fortunately 99 percent in English) after our pal
Laurence Haim
, the Canal Plus Television U.S. bureau chief, tweeted the contest to her followers. (She forwarded a bunch to us.)

And now, the winners:

●“The Scrunchie Chronicles: 112 Countries and It’s Still All About My Hair.” — Stephanie Whittaker, who heads marketing for a large consulting firm in London.

●“If It’s 3 a.m., the Machine Can Get It.” — Kevin Dopart, a federal contractor in Washington. He also submitted “Bossypantsuit.”

●“Hard Times, Soft Power.” — Alfred Friendly Jr., a retired editor in Washington. He’s a former reporter with Newsweek and the New York Times.

●“Miles to Go.” — Jane Woodfin, a retired former Senate staffer from McLean. (She noted that, much like her old boss Joe Biden’s memoir, “Promises to Keep,” the title implies there’s more to come.)

●“Stuck With the Bill.” — Steve Bienstock, a lawyer in Rockville.

And there are two winners from the French entrants:

●“Dame de Guerre,” or “Lady of War,” which is an odd title for a diplomat, but it sounds really good if you say it in French. — Apparently submitted by a woman in Paris, identified on Twitter as @nasnacera.

●“It Takes a World.” — Fabienne Sintes, a correspondent here for Radio France, taking off on Clinton’s bestseller “It Takes a Village.”

Congrats to the winners. Thanks to our judges — Washington Post Fact Checker Glenn Kessler, Outlook Editor Carlos Lozada and editor-at-large Ann Gerhart — for their efforts. And thanks to all for entering.

Not feeling Minnesota

We kept hearing back in 2009 that
Jake Sullivan
, deputy chief of staff to then-Secretary of State Clinton and before that on the Clinton primary campaign — was leaving after a couple of years to return to his home state of Minnesota and run for office.

Sullivan — Yale law graduate, Rhodes scholar, former Supreme Court clerk, second place in the 2000 world debating championship — did appear to be on his way out in 2011.

But Clinton offered him the job of heading the State Department’s policy planning office (in the footsteps of such foreign policy legends as
George Kennan
and
Paul Nitze
), so he remained in town.

Still, that was going to be for two years, just until Clinton left office, and then it was off to Minneapolis to practice law and run for office. For sure.

The White House announced Tuesday that Sullivan was Vice President Biden’s pick to be his national security adviser. Well, he’d better not stay in that job for long. He’s already about five years older than Biden was when he became a senator.

And he’s a Republican

Since leaving public office,
Dick Cheney
has made the rounds on cable TV and did a stint in the hospital for a heart transplant. But one congressman suggests there’s an even more unpleasant destination awaiting the former vice president: the fiery blazes of H-E-double-hockey-sticks.

Rep. Walter Jones
(R-N.C.) said as much in a speech Saturday, as seen in a video unearthed by Talking Points Memo. Jones suggested that Cheney’s support for the Iraq war warranted repayment in the hereafter.

“Congress will not hold anyone to blame,” Jones said at a meeting of the Young Americans for Liberty in Raleigh. “Lyndon Johnson’s probably rotting in hell right now because of the Vietnam War, and he probably needs to move over for Dick Cheney.”

The envelope, please

And the winner in the bizarro category is . . .

Fars News, the hard-line Iranian media outlet, which took a different — and much dimmer — view of the Oscar win for “Argo,” the Ben Affleck-directed flick set during the Iranian hostage crisis, than most Western outlets did.

Our colleague and correspondent in Tehran,
Jason Rezaian, cites Fars News’s write-up of the awards: “In a rare occasion in Oscar history, the First Lady announced the winner for Best Picture for the anti-Iran Film ‘Argo,’ which is produced by the Zionist company Warner Bros.”

Once a banker . . .

Home again. Former deputy secretary of state Tom Nides is back at mega-investment bank Morgan Stanley after his two-year stint in Foggy Bottom.

Nides was chief operating officer at Morgan Stanley from 2005 to 2010. He’s also been CEO of Burson-Marsteller and chief administrative officer at Credit Suisse First Boston.

In his new job at Morgan Stanley, Nides will be vice chairman, the bank’s announcement Tuesday morning said, focusing on “the firm’s global clients and other key constituencies around the world.”

Nides will be commuting to New York. His wife, Virginia Moseley, is a CNN vice president and deputy bureau chief in Washington.

With Emily Heil

The blog: washingtonpost.com/
intheloop. Twitter: @InTheLoopWP.

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Batman to lose son Robin

NEW YORK: Batman may be able to save the world, but he'll lose his sidekick Robin -- who in his current incarnation as his son -- in the upcoming Batman Incorporated comic book series.

DC Comics said the caped crusader's acrobatic young assistant, Batman alter ego Bruce Wayne's son Damian, will die in Wednesday's issue number eight.

"This master theme of damaged and ruined families was nowhere more in evidence than in the creation of Damian, the first 'Son of Batman' to be acknowledged in the canon," series writer Grant Morrison said in a statement.

"In many ways this has been Damian's story as much as it has been the story of Bruce Wayne and it's a story that had its end planned a long time ago -- for what son could ever hope to replace a father like Batman, who never dies?"

The good news for those who might miss Robin is that this is the comics universe and characters who are killed can easily return. Even a previous incarnation of Robin was killed and resurrected before.

"You can never say never in a comic book," Morrison told the New York Post. "Batman will ultimately always have a partner."

-AFP/gn

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Amarnath Yatra registration from March 18

JAMMU: Jammu and Kashmir governor and chairman of Shri Amarnath Shrine Board, N N Vohra, on Tuesday reviewed the arrangements made for the Amarnath Yatra which is scheduled to take place from June 28- 21.

He was told that 422 branches of different banks spread across the nation will start registration for the Yatra from March 18.

The Board's CEO Navin Chaudhary briefed Vohra about all the measures taken for registration of Yatris on March 18 which will be managed through 422 outlets as compared to 276 provided last year. He further stated that 121 Branches of J&K Bank, 50 Branches of YES Bank, 101 Branches of State Bank of India, 100 Branches of Punjab National Bank and 50 Branches of HDFC Bank will be used for registration. The list of bank branches, application form and compulsory health certificate format and names of doctors have been uploaded on www.shriamarnathjishrine.com.

Vohra asked Chaudhary to issue clear advisories from time to time to Yatris about the requirements. He further asked him to meet Union Ministry of Information and Broadcasting, Doordarshan, and All India Radio officials to ensure an early launch of the awareness campaign.

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A History of Balloon Crashes

A hot-air balloon exploded in Egypt yesterday as it carried 19 people over ancient ruins near Luxor. The cause is believed to be a torn gas hose. In Egypt as in many other countries, balloon rides are a popular way to sightsee. (Read about unmanned flight in National Geographic magazine.)

The sport of hot-air ballooning dates to 1783, when a French balloon took to the skies with a sheep, a rooster, and a duck. Apparently, they landed safely. But throughout the history of the sport, there have been tragedies like the one in Egypt. (See pictures of personal-flight technology.)

1785: Pioneering balloonist Jean-Francois Pilatre de Rozier and pilot Pierre Romain died when their balloon caught fire, possibly from a stray spark, and crashed during an attempt to cross the English Channel. They were the first to die in a balloon crash.

1923: Five balloonists participating in the Gordon Bennett Cup, a multi-day race that dates to 1906, were killed when lightning struck their balloons.

1924: Meteorologist C. LeRoy Meisinger and U.S. Army balloonist James T. Neely died after a lightning strike. They had set off from Scott Field in Illinois during a storm to study air pressure. Popular Mechanics dubbed them "martyrs of science."

1995: Tragedy strikes the Gordon Bennett Cup again. Belarusian forces shot down one of three balloons that drifted into their airspace from Poland. The two Americans on board died. The other balloonists were detained and fined for entering Belarus without a visa. (Read about modern explorers who take to the skies.)

1989: Two hot air balloons collided during a sightseeing trip near Alice Springs, Australia. One balloon crashed to the ground killing all 13 people on board. The pilot of the other balloon was sentenced to a two-year prison term for "committing a dangerous act." Until today, this was considered the most deadly balloon accident.

2012: A balloon hit a power line and caught fire in New Zealand, killing all 11 on board. Investigators later determined that the pilot was not licensed to fly and had not taken  proper safety measures during the crash, like triggering the balloon's parachute and deflation system.

2012: A sightseeing balloon carrying 32 people crashed and caught fire during a thunderstorm in the Ljubljana Marshes in Slovenia. Six died; many other passengers were injured.

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NY Times to rebrand Herald Tribune in its own image

NEW YORK: For a decade the International Herald Tribune has been the global edition of the New York Times in all but name. On Monday, the parent company made it official.

In a statement, the New York Times Company said the 125-year-old offshoot of the defunct New York Herald Tribune will be rechristened sometime this fall as the International New York Times.

"The digital revolution has turned the New York Times from being a great American newspaper to becoming one of the world's best-known news providers," said New York Times Company chief executive Mark Thompson.

"We want to exploit that opportunity," said the former BBC boss, adding that a new website for international readers is also in the pipeline.

The International Herald Tribune (IHT) was co-owned by the New York Times and the Washington Post from 1967 until 2003, when the Times became its sole proprietor and restyled it as "the global edition of the New York Times."

It almost exclusively showcased New York Times content in a bid to appeal to high-earning anglophone globe-trotters in competition with global editions of the Wall Street Journal and Britain's Financial Times.

Sold in more than 160 countries and territories, it has a daily circulation of more than 226,000, an IHT spokeswoman told AFP by email.

Prior to 1967 the IHT was known as the Paris edition of the New York Herald Tribune -- immortalized in Jean-Luc Godard's New Wave classic "Breathless" by Jean Seberg in a tight yellow T-shirt hawking copies on the Champs-Elysees.

The New York Times published an international edition under its own name from 1946 until it bought into "the Trib" and helped oversee its development as a global media brand through the use of satellite printing plants.

"I have to say I'm sorry to see the Herald Tribune go," said Charles Robertson, author of "The International Herald Tribune: The First 100 Years" and an IHT reader since his childhood in Switzerland.

"I suppose, once the Times pushed out the Washington Post, it was probably inevitable," Robertson, a professor emeritus at Smith College in Northampton, Massachusetts, told AFP.

News of the rebranding came less than three weeks after the New York Times Company posted a 2012 group profit of $133 million, compared with a loss of $39.7 million in 2011.

It gave no breakdown of profit or loss figures for its newspapers, but earlier this month it said it was putting the Boston Globe and other New England assets up for sale to focus on its eponymous core product.

"The New York Times is a very strong brand in the United States (and) there are enough people globally who still read it," said Joscelyn MacKay, senior securities analyst at Morningstar in Chicago.

"The content itself will have to become a bit more global ... but I think it is a definite feasible target for them," she told AFP.

"Whether or not it's going to move the needle over the long run remains to be seen, given the challenges that print media faces."

The International New York Times "will be edited from Hong Kong, Paris, London and New York," according to Monday's statement, and new investments will be made "in print, web and mobile platforms."

IHT spokeswoman Vicky Taylor, in an email from London, said there are "currently no plans to cut staff numbers or offer buyouts."

Half of those on the IHT payroll are in France, where labor costs are higher than the United States or Britain.

"In many ways it will be business as usual at the IHT because as an organization we've already taken significant steps to align with the New York Times to the benefit of readers and advertisers," Taylor said.

"Making the full transition to a multi-platform International New York Times is the next logical step."

-AFP/ac

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94% women feel unsafe travelling alone in India, survey finds

NEW DELHI: The Delhi gang-rape incident has not just bruised the image of the national Capital, but the country as well. A travel survey has found that 94% women feel unsafe traveling alone, while 84% voted for Delhi as the most unsafe metro. The findings come at a time when an increasing number of women admitted that they preferred to travel alone both for work and leisure.

TripAdvisor, a leading travel site, surveyed 500 women to find that 84% women claimed to have travelled alone for leisure, business or both. The respondents were a mix of working women, including a number of self employed, as well as homemakers.

The survey also brings to light the disturbing fact that 94% women worry about their safety — always or at least sometimes — when they travel alone within India. Among women who said they travel alone on work, 37% agreed that they don't mind travelling alone but worry about their safety.

Even more dismal is the fact that more women travelers have a better sense of safety overseas than in India. Around 24% respondents said they worry when they travel within India but not when they travel to international destinations, while only 6% suggested otherwise.

Despite the fear and worry, only 33% women said they carry any item for self defense when travelling to a new or unfamiliar city.

Due to the recent spate of crime against women, Delhi has gained notoriety with 84% women claiming it to be the most unsafe metro in the country. Mumbai came out on top as the city considered safest by 34% women. Ahmedabad and Bangalore were tied at a distant second with 12% each.

Among the states, Delhi NCR again topped the hall of shame with 60% women voting it as the most unsafe. At a distant second is Bihar (18%), followed by Uttar Pradesh (8%). A majority of 27% respondents said they considered Maharashtra to be the safest state, followed by Gujarat (15%) and Karnataka (10%).

According to TripAdvisor country manager Nikhil Ganju, "The rise in women travelling alone on business is understandable fallout of the increase in the number of working women. The real surprise is the significant number of Indian women who are choosing to travel solo on vacation. Another interesting insight that highlights a latent opportunity for the hospitality sector is that 78% respondents said they would prefer to stay in an all women's hotel or on a women exclusive floor in a hotel, when travelling alone."

In a break from tradition, Indian women enjoy traveling alone for leisure. Among women who travel alone, 41% respondents said they actually enjoyed travelling alone for work. In addition, 76% said they enjoy going solo on holidays.

And lack of company is definitely not a complaint. In fact, majority (58%) said their biggest incentive for solo vacations was that they could do all the things they want without having to worry about what someone else wants. Around 34% women indicated they loved travelling alone as it was adventurous and exciting. Another 32% claimed the thrill of managing everything by themselves was a motivator as well.

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Sharks Warn Off Predators By Wielding Light Sabers

Diminutive deep-sea sharks illuminate spines on their backs like light sabers to warn potential predators that they could get a sharp mouthful, a new study suggests.

Paradoxically, the sharks seem to produce light both to hide and to be conspicuous—a first in the world of glowing sharks. (See photos of other sea creatures that glow.)

"Three years ago we showed that velvet belly lanternsharks [(Etmopterus spinax)] are using counter-illumination," said lead study author Julien Claes, a biologist from Belgium's Catholic University of Louvain, by email.

In counter-illumination, the lanternsharks, like many deep-sea animals, light up their undersides in order to disguise their silhouette when seen from below. Brighter bellies blend in with the light filtering down from the surface. (Related: "Glowing Pygmy Shark Lights Up to Fade Away.")

Fishing the 2-foot-long (60-centimeter-long) lanternsharks up from Norwegian fjords and placing them in darkened aquarium tanks, the researchers noticed that not only do the sharks' bellies glow, but they also had glowing regions on their backs.

The sharks have two rows of light-emitting cells, called photophores, on either side of a fearsome spine on the front edges of their two dorsal fins.

Study co-author Jérôme Mallefet explained how handling the sharks and encountering their aggressive behavior hinted at the role these radiant spines play.

"Sometimes they flip around and try to hit you with their spines," said Mallefet, also from Belgium's Catholic University of Louvain. "So we thought maybe they are showing their weapon in the dark depths."

To investigate this idea, the authors analyzed the structure of the lanternshark spines and found that they were more translucent than other shark spines.

This allowed the spines to transmit around 10 percent of the light from the glowing photophores, the study said.

For Predators' Eyes Only

Based on the eyesight of various deep-sea animals, the researchers estimated that the sharks' glowing spines were visible from several meters away to predators that include harbor seals (Phoca vitulina), harbor porpoises (Phocoena phocoena), and blackmouth catsharks (Galeus melastomus).

"The spine-associated bioluminescence has all the characteristics to play the right role as a warning sign," said Mallefet.

"It's a magnificent way to say 'hello, here I am, but beware I have spines,'" he added.

But these luminous warning signals wouldn't impede the sharks' pursuit of their favorite prey, Mueller's bristle-mouth fish (Maurolicus muelleri), the study suggested. These fish have poorer vision than the sharks' predators and may only spot the sharks' dorsal illuminations at much closer range.

For now, it remains a mystery how the sharks create and control the lights on their backs. The glowing dorsal fins could respond to the same hormones that control the belly lights, suggested Mallefet, but other factors may also be involved.

"MacGyver" of Bioluminescence

Several other species use bioluminescence as a warning signal, including marine snails (Hinea brasiliana), glowworms (Lampyris noctiluca) and millipedes (Motyxia spp.).

Edith Widder, a marinebiologist from the Ocean Research and Conservation Association who was not involved in the current study, previously discovered a jellyfish whose bioluminescence rubs off on attackers that get too close.

"It's like paint packages in money bags at banks," she explained.

"Any animal that was foolish enough to go after it," she added "gets smeared all over with glowing particles that make it easy prey for its predators."

Widder also points out that glowing deep-sea animals often put their abilities to diverse uses. (Watch: "Why Deep-Sea Creatures Glow.")

"There are many examples of animals using bioluminescence for a whole range of different functions," she said.

Mallefet agrees, joking that these sharks are the "MacGyver of bioluminescence."

"Just give light to this shark species and it will use it in any possible way."

And while Widder doesn't discount the warning signal theory, "another possibility would be that it could be to attract a mate."

Lead author Julien Claes added by email, "I also discovered during my PhD thesis that velvet belly lanternsharks have glowing organs on their sexual parts."

And that, he admits, "makes it very easy, even for a human, to distinguish male and female of this species in the dark!"

The glowing shark study appeared online in the February 21 edition of Scientific Reports.

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Arias Had No Remorse: Prosecutor

Accused murderer Jodi Arias was confronted today with a barrage of lies she told after she killed her ex-boyfriend Travis Alexander, but she twice defiantly declared that she was innocent of first degree murder.

"It's the truth. I'm innocent of that charge," Arias said to prosecutor Juan Martinez, referring to the criminal charge that could carry the threat of the death sentence if she is found guilty.

Arias admitted on the stand that she lied for months and years after killing her ex-boyfriend, telling investigators and friends that she had nothing to do with Alexander's grisly death, in which he was stabbed 27 times, his throat was slashed, and he was shot in the head.

Eventually, Arias confessed to the killing, but claims it was in self-defense.

Today, prosecutors hammered Arias about her lying, getting her to admit to lies she told and playing video of her police interrogation and a TV interview in which she told stories that she has since conceded were not true.

See the Evidence in the Jodi Arias Murder Trial

In an interview with NBC's "48 Hours," Arias said she smiled for her mug shot partly because she knew she was innocent.

"You truly believe that you didn't do anything wrong here?" the prosecutor asked incredulously.

Jodi Arias Testimony: Prosecution's Cross-Examination Watch Video

Jodi Arias Remains Calm Under Cross-Examination Watch Video

Jodi Arias Doesn't Remember Stabbing Ex-Boyfriend Watch Video

"I believed that I knew that I was not guilty of first-degree murder and I did plan to be dead," she replied, a reference to her claim that she planned to commit suicide.

Catching Up on the Trial? Check Out ABC News' Jodi Arias Trial Coverage

During a day of contentious questions and answers between Martinez and Arias, the prosecutor used Arias' own diary entries and text messages to show contradictions of her claims that Alexander was abusive toward her, that he hit her and tried to choke her.

Arias said that in early 2008, Alexander hit her in the neck while they were riding in his car. Martinez showed a diary entry describing the day they rode in the car, and there was no mention of physical violence.

"This entry does not corroborate what you told us happened in the car," he said. "With regard to the (choking incident) you didn't call police. You didn't tell anyone about it. There is no corroboration anywhere in your journal. All we have is your word. Are there photos? Any other writings? Is there a police report? Is there a medical report?"

Arias said there was no evidence that the alleged abuse happened, except for her testimony in court.

"There's no evidence because it didn't happen, did it ma'am?" Martinez yelled.

Arias said that she had told one person about the abuse she claims she suffered at the hands of Alexander, and that it was another ex-boyfriend, Matthew McCartney. But when pressed for details about the conversation in which she told him, Arias became confused and changed her answers.

"I saw (Matt) a few days later, and he called me out on the bruises," Arias testified.

"Where?"

"Over the phone, just days after I think," she said.

"Isn't it true he wouldn't have been able to see your injuries because you were talking over the telephone?"

"No, I was in Yreka (California) by then. I stopped to see Matt after I left Arizona. Let's see, I believe it was two or three days after. I'm not saying there was no telephone call, (but) it was at his house. I went and saw Matt, and some make-up wore off, and he confronted me on (the bruises)."

Martinez said that McCartney has denied the conversation ever took place.

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