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Cell Phones Can Watch What You EatDieters send cell-phone camera photos of meals to a computer to gauge what's on their plates.
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Report Card: Who Has Dirtiest HandsThe hand hygiene report card gives better grades to teachers and mothers.
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Greatest Mysteries: What Happens Inside an Earthquake?Seismologists are quite unsure of what happens inside the Earth during a quake.
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Why bugs are not hugeA bottleneck in air pipes is the reason bugs today don't grow to sci-fi size.
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Light Shed on New Sunscreen TechnologiesBaby oil is out. High-tech sunscreen is in.
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The Truth About CockroachesScientists consider only 1 percent of all cockroach species as pests.
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Hundreds of Oil-Covered Penguins Surface in South AmericaHundreds of oil-covered Magellanic penguins have surfaced off the Atlantic coast of South America.
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Possible Link to Lucy's Ancestors FoundJawbone found in Ethiopia could reveal ancestors of earliest hominids.
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Sex to Earthquakes: What Causes Heart AttacksIt helps to be aware of heart attack triggers, even if they are mundane.
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How Brain Knows When Body 'Hits the Wall'A chemical that also works as a stress hormone is the final signal that says you're out of gas.
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Three-Legged Sumatran Tiger PhotographedA camera trap has photographed a tiger that lost part of its right front leg.
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Study Links Candy Cigarettes to SmokingCandy cigarettes might make it so kids who play with them later really light up.
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Infants Have 'Amazing Capabilities' That Adults LackInfants see and hear things that older babies and adults cannot.
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New Creature Found Living in Dead WhaleFirst anemone ever found to live in a whale carcass at the bottom of the sea.
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Scientist: Don't Trust SunscreenJury still out on whether sunscreens prevent melanoma.
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Hillary Clinton Less Powerful Than Bill in News InterviewsPresident Bill Clinton and Sen. Hillary Clinton don't always operate like a unified political animal.
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Sun Smarts: Survey Reveals Savviest CitiesResidents of the nation's capital are the most likely among residents of 32 cities surveyed to bust myths about tanning beds and base tans
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The Truth Behind Baseball's Hitting SlumpSteroids are often implicated in a spike in batting averages in the late 1990s. But it was not just drug testing that brought averages back down, a new study reveals.
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Lack of Sleep Causes Old Men's Testosterone to DropLack of sleep causes testosterone levels to drop in older men, a new study claims.
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Cell Phones of the Future Could Survive Being DroppedCell phones and iPods could soon be made with all-plastic chips that would allow the gadgets to survive being dropped over and over, thanks to work of a Dutch researcher.
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Scientists Create Tiniest-Ever Alphabet Soup -
Acids in Popular Sodas Erode Tooth EnamelRoot beer is the safest soft drink for your teeth, new research suggests, but drinking many other sodas is almost like pouring battery acid on them.
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Study: U.S. Businesses Not Prepared for Booming Retirement -
Sun Worshipers Addicted Like AlcoholicsIf tanning is addictive as the study suggests, it helps explain why education alone will probably not stop high-risk tanning behavior.
