All Stories
- Math
Fruit flies teach computers a lesson
Insect's nerve cell development is a model of efficiency for sensing networks.
- Psychology
The write stuff for test anxiety
A brief writing exercise prompts higher exam scores for students struggling with academic stress.
- Earth
2010 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.
- Paleontology
Early meat-eating dinosaur unearthed
Pint-sized, two-legged runner from Argentina dates back to the dawn of the dinos, 230 million years ago.
- Humans
Night owls may want to dim their lights
People who spend their evenings in relatively bright light run the risk of stressing their bodies by ratcheting down the production of melatonin. This hormone plays a pivotal role in setting the body’s biological clock – and, potentially, in limiting the development of certain cancers.
- Humans
Marking penguins for study may do harm
Metal flipper bands used to tell birds apart hamper survival and reproduction, a 10-year study finds.
- Space
Neighboring black hole puts on weight
Galaxy M87's massive heart weighs as much as 6.6 billion suns.
- Health & Medicine
When good cholesterol is even better
It's quality, not just quantity, of high-density lipoprotein that counts in heart disease, study suggests.
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- Life
Songbird’s testosterone surges at sight of thistle blooms
Seeing the right flowers in summer temperatures triggers male goldfinches’ reproductive readiness.
- Space
Planck telescope finds cold, weird wonders
Survey's first results reveal the largest galaxy clusters and most frigid objects found in universe so far.
- Health & Medicine
Shingles vaccine linked to lower disease risk
People 60 and over who get the shot are 55 percent less likely to develop the ailment, a large survey shows.
