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No Kidding: April Fools' Is Good for the SoulA day of pranks helps humans bond, scientists say.
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When Dinosaurs Roamed, Wildfire Was a FoeWarmer temperatures and high oxygen concentrations fueled wildfires.
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Deadly Virus Increases Mosquito Blood LustThe virus takes over the mosquito's sensory organs, making them a disease-spreading machine.
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Mutant Flowers: Images of Sunflower VarietiesBushy "Teddy Bear" sunflowers featured in Van Gogh's paintings are a genetic mutant, and other varieties might have a genetic basis as well.
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Van Gogh's Sunflowers Are MutantsMutations turn the perfect bloom into a Teddy Bear.
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Splat Science: Fossilized Raindrops Reveal Early Earth's Hazy SkiesAncient raindrops tell us about ancient Earth
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Caffeine Turns Hard Workers into SlackersCollege students and truck drivers beware: Stimulants turn hard working rats into slackers.
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Fossilized Poop Reveals Ancient Hyena's Main EntréeFossilized poo samples yield ancient hyena DNA and the DNA of their food
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Animals Without Borders: 'Open' Dolphin Society DiscoveredNo, not in the hippy-dippy commune sense.
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Ancient Beluga Whales Enjoyed Warm WatersInstead of living in the chilly Arctic like its modern cousins, this ancient whale lived in warmer waters.
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Fatty Diet May Cause New Brain Cells to SproutFatty diets make brain regions break out with new brain-cell growth.
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Zoo Diet Linked to Dip in Baby Rhino BirthsZoo diet keeps the lady rhinos trim, but it may be messing with their baby-making abilities.
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Snake Invader: Images of Titanoboa in Grand CentralA giant prehistoric snake invades Grand Central
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Grand Central's Gigantic Snake Amazes CommutersA 2,500 pound, 48 foot long prehistoric snake invaded Grand Central
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Video Shows Ants Mating with Dying, Half-Eaten QueenWe can't all be picky about mates.
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Disputed Painting Is a Van Gogh, New Analysis SuggestsA new analysis of an 1886 painting enabled researchers to attribute it to Vincent van Gogh.
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Human Invasion Ended Reign Of Australia's 'Giants'Loss of Australia's 10-foot kangaroos and rhino-size wombats led to changes in landscape and wildfire outbreaks.
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Antarctic Seal Pups Face Climate Change WoesAntarctic seal pups may not have the energy to learn foraging skills or grow healthy.
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The Nose Knows: Smelly Foods Make You Eat LessSmaller, smellier bites may lead to less food eaten, and smaller bellies.
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Mama Chimps Teach Kids To Communicate With HumansSocial learning of calls in primates was seen as unique to humans.
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30 Indonesian Women (Accidentally) Founded MadagascarA small, perhaps unintended, ocean crossing dropped these founders on the island.
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Daydreaming Is Good for the MindPeople with more working memory can stay on task, even when thinking about other things.
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Extra Girly Genes Boost Male Sex DriveMouse Viagra? Try an extra X chromosome.
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The Brain on Alcohol: Why Some Drinkers BlackoutSome people are more susceptible to memory loss after drinking, because their brains just can't take it, researchers say.
