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Newfound Hormone Irisin Could Fight Obesity and DiabetesIrisin, a newfound hormone, may stimulate weight loss and improve health by mimicking the effects of exercise.
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Is Homosexuality Based on a Brain Chemical?Mice without serotonin more likely to mount fellow males.
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The Brain in 3-D: New Research Illuminates Cell CircuitsScientists "crawled through" a jungle of brain cells to create their map.
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Data Overload: Scientists Struggle to Streamline ResultsThe data deluge is at the limits of the human mind, scientist says.
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Childhood Diseases May Be Rooted in EvolutionLong childhood is part of what makes humans unique, but this extended developmental stage comes with a cost: a risk of cancer and other genetic diseases.
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Mama Bird Skips Out on Chicks for SexWhen the mother hihi bird has a chance to mate multiple times in a season, begging chicks get slighted.
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Mission Accomplished: Orangutan Genome DecodedThe sequenced female revealed her genes evolved more slowly than those of chimps and humans.
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In the Name of Science: Tracking Bands Can Harm PenguinsThe pudgy penguins have lower survival and reproductive rates due to the metal ID bands.
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Study: U.S. Torture Techniques Unethical, Ineffective
Three doctors say not only is torture unethical, the scientific basis used to validate them was flawed.
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Mating Mystery: Hybrid Animals Hint at Desperation in ArcticAs the ice melts, once-distant species are coming into contact, leading to polar-grizzly hybrids and many others.
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Climate Talks Should Include Health Impacts, Docs SayDitch a gas-guzzling car for a bike and save your gut and the planet.
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Dino Demise Led to Evolutionary Explosion of Huge MammalsBefore dinosaurs' demise, mammals were basically vermin scuttling around beasts. And then their size exploded.
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How Great White Sharks Stumbled into the MediterraneanAncient navigational error brought great white sharks to the Mediterranean.
