News
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LifeOld amoebas spawn their farms
Some slime molds use a simple form of agriculture to ensure a steady food supply.
By Susan Milius -
Health & MedicineTallying the caloric cost of an all-nighter
Sleep is energy-saving, and missing even one night sends the body into conservation mode, new measurements show.
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ChemistryBitter flavors boost hunger hormone
Experiments in mice may help explain the allure of the aperitif.
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ChemistryWhy olive oil’s quality is in the cough
An anti-inflammatory compound found in the best presses tickles taste sensors in the throat, a study finds.
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LifeMaking a worm do more than squirm
A laser used for locomotion control shines light on nematode behavior, one cell at a time.
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Health & MedicineTongue piercings worse with metal
Stainless steel or titanium studs collect bacteria more readily than do studs made of plastic or Teflon, a study finds.
By Nathan Seppa -
HumansReviving the taste of an Iron Age beer
Malted barley from a 2,550-year-old Celtic settlement offers savory insights into ancient malt beverage.
By Bruce Bower -
PhysicsA twisted way to take pictures
A corkscrew-shaped beam of electrons might someday yield better images of atoms and other tiny things.
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MathFruit flies teach computers a lesson
Insect's nerve cell development is a model of efficiency for sensing networks.
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PsychologyThe write stuff for test anxiety
A brief writing exercise prompts higher exam scores for students struggling with academic stress.
By Bruce Bower -
Earth2010 ties record for warmest year yet
El Ni±o heated things up even as global temperatures continue to rise in the hottest decade on record.
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PaleontologyEarly meat-eating dinosaur unearthed
Pint-sized, two-legged runner from Argentina dates back to the dawn of the dinos, 230 million years ago.