Scientists create see-through mouse and rat bodies

Researchers have created see-through mice and rats using a new technique for so-called tissue clearing.



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Medical labs to get new FDA oversight

The Food & Drug Administration on Thursday announced it would step up its regulation of a class of lab tests that have been key in ushering in an era of personalized medicine -- a step the agency has long considered against strong opposition by small labs.



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During penalty shootouts, goalies fall prey to 'gambler's fallacy'

Penalty kick shootouts are not a goalkeeper’s favorite way to settle a soccer match. Alone in the net, goalies must face off against a string of kickers and try to anticipate which way the ball will come hurtling toward the goal. Psychologists have long recognized that shots happen too fast for...



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NASA's Mars 2020 rover gets tools to search for signs of past life

It’s official: The Mars 2020 rover’s instruments have been chosen, and they include a super-laser and stereo vision!



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Scientists urge Interior Department to keep protection for wolverines

Dozens of the nation’s leading conservation scientists on Thursday expressed strong concern over a U.S. Fish and Wildlife Service official’s order to override a recommendation by federal biologists that wolverines deserve threatened species status.



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'Get Up!' or lose hours of your life every day, scientist says

There’s a saying going around that sitting is the new smoking. It’s a bit snarky and perhaps a none-too-subtle dig at those of us who spend a lot of time on our rear ends for work and pleasure. But Dr. James Levine, who is credited with it, is dead serious. In fact, he says, sitting could be...



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Well: A Toxic Menagerie

A conversation with Mark Siddall, the author of a new book about the ways in which animals use poisons — sometimes against humans.

















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Well: Feeling as if I Failed the Patient

I thought about the patient I had been treating for three years for leukemia. I would be seeing her in clinic in a few hours, and I had a bad feeling about her disease.

















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Study says early DDT exposure may set up females for obesity, diabetes

As they reached adulthood, female mice who were exposed in utero and just after birth to the pesticide DDT showed metabolic changes that put them at greater risk for obesity and type-2 diabetes, a new study says.



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Well: Statins May Speed Wound Healing

Statins, the widely used cholesterol-lowering drugs, may have a role in surgical wound healing, a new analysis suggests.

















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South L.A.'s Allenco fined $99,000 over toxic emissions

The U.S. Environmental Protection Agency on Wednesday fined an oil operation in a South Los Angeles neighborhood $99,000 for failing to take steps to prevent release of toxic emissions.



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Well: Bothered by a ‘Gummy Smile’

People bothered by a smile that shows too much of the gum line have a new option: Botox.

















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Rain of asteroids melted early Earth, boiled its oceans, study shows

When you look up at the moon’s pockmarked face, you’re actually staring at Earth’s early history. The rain of asteroids that pummeled the lunar surface hit our planet too — it’s just that erosion and plate tectonics blotted out the evidence. In fact, no rocks anywhere in the world survived to...



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Will it be a hit or a bomb with the public? Read the brain waves

To predict a large population's likely response to something--a product, politician or policy--political consultants, marketing gurus and advertising execs have long favored the focus group. Ask a small segment of the target audience what it thinks about something, the formula goes. Tweak...



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Well: The Upside of a Wimpy Handshake

A weak handshake may be a healthier greeting than a firm one. But a fist bump may be an even healthier choice.

















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There is something rarer than being killed by lightning, CDC says

The lightning strikes that killed one person and injured at least seven others at Southern California’s Venice Beach this week were freak events. But when it comes to extreme weather, there’s something even more unusual than being killed by lightning -- dying in a flood.



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Well: Running 5 Minutes a Day Has Long-Lasting Benefits

Even small amounts of vigorous exercise could significantly lower a person’s risk of dying prematurely, according to a large-scale new study of exercise and mortality.

















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Mars rover Opportunity breaks the off-world driving record

Opportunity, the little rover that could, has broken a 41-year-old driving distance record that’s out of this world. The decade-old NASA Mars rover has crossed the 25-mile mark, surpassing the 24.2-mile record held by the Russian moon rover Lunokhod 2.



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Study finds 5 servings of produce is enough, but we're not eating it

How many times will we have to be told? Apparently we haven’t reached the point when we’ll change our habits, but here goes again: Eating five servings of fruits and vegetables every day can help us live longer.



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Killer sperm: Sexual 'arms race' takes its toll on females

Sure, nobody really thinks of worm sperm as being cute and cuddly -- assuming one thinks about them at all -- but who would have thought they were stone cold killers?



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