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In Images: Sylvia Earle's 'Searching for Wisdom' ExpeditionPhotos from acclaimed oceanographer Sylvia Earle's expedition to Hawaii's Midway Atoll National Wildlife Refuge.
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Image Gallery: Extraordinary Environmental ArtFrom stunning stone sculptures to strategically placed leaves, we've rounded up a gallery full of amazing environmental art.
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Parental Alcoholism Linked to Brain Changes in KidsTwo areas of the brain responded differently in youth with a family history of alcoholism during risky decision-making, a new study shows.
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Arm in a Sling? Your Brain Knows & CompensatesThe brain quickly adjusts when a person uses a sling or cast after injuring their arm, a new study shows.
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Death of a Loved One Raises Heart Attack Risk, Study ShowsDuring the first 24 hours after the death of a loved one, a person's risk of experiencing a heart attack increases by about 21 times, according to a new study.
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Statistically Speaking, Is Friday the 13th Really Unlucky?The number 13 is synonymous with bad luck, but is there any statistical proof to support the superstition?
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Science Shields Bats from Wind-Turbine AccidentsA new tool relies on weather conditions and bat calls to keep bats safe.
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Found: First Solid Evidence of Ancient Mayans' Tobacco UseAn analysis of ancient Mayan artifacts revealed the first physical evidence of tobacco use from a Mayan container, according to a new study.
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Depression Linked Again to Vitamin DA study of nearly 12,600 people found that low vitamin D levels contribute to symptoms of depression.
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Colorful New Snake Species DiscoveredA new species of black-and-yellow bush viper was discovered in southern Tanzania.
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Pneumonia Outbreak Killed 20% of Rare Goat PopulationA pneumonia outbreak wiped out as much as 20 percent of the markhor population in Tajikistan, Central Asia, a new study shows.
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11 Health Benefits of Christmas DinnerBesides providing you with quality family time and good cheer, Christmas dinner offers a bevy of surprisingly healthy dishes.
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'Pretzel' Used for Operation on Zoo's Exotic CatAn innovative pretzel-shaped surgical tool was used by a leading veterinary surgeon to carry out a biopsy on a sick Asian Golden Cat at a zoo.
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'Tis the Season: Gallery of Festive InsectsFrom wasps with reindeerlike antlers to an insect that resembles a cinnamon stick, these bugs are naturally decked out for the Christmas season.
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Kids as Young as 5 See Benefits of Positive ThinkingKids get it that a cheery perspective is self-fulfilling.
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Christmas Staple Frankincense 'Doomed,' Ecologists WarnThe trees responsible for the fragrant resin are declining rapidly.
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Kids' Reports of Unwanted Online Sexual Encounters DropOnline youth exposure to unwanted sexual solicitations and pornography has declined, a new study shows.
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Police Plagued by Sleep ProblemsForty percent of police officers suffer from sleep disorders that may be hazardous, a new study shows.
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Smokers Who Quit Are Happier, Study FindsPeople who successfully quit smoking are more satisfied with their lives and feel healthier than those who continue to smoke, a new study shows.
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Winter Wonderland: Images of Stunning Snowy LandscapesPhotos of beautiful snowy landscapes from around the world.
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Gift-Giving Surprise: More Isn't Always BetterAdding a cheaper "stocking stuffer" to an expensive present actually diminishes the perceived value of the overall package in the recipient's eyes, a new study shows.
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Teen Smoking, Drinking Hits Lowest Level Since 1970sCigarette and alcohol use among eighth, 10th and 12th-graders is at the lowest point since the 1970s, according to a new survey.
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The 6 Most Tragic Love Stories in HistoryFrom Cleopatra and Mark Antony to Queen Victoria and Prince Albert, we've gathered the six most tragic romances throughout history.
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Animal Gallery: Fun in the SnowFrom tigers to pandas, here's a gallery of animals frolicking in the snow.
