Life
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Life
New stegosaur is quite a stretch
A newly discovered stegosaur has neck proportions like those of sauropods.
By Sid Perkins -
Animals
Climate change discourages second families
Birds out of sync with local baby food supply of caterpillars aren’t nesting a second time.
By Susan Milius -
Life
Tastes like metal
Scientists have discovered that proteins that help sense sweet and spice also help taste metals.
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Plants
Animals’ jaundice pigment found in plants
Bilirubin, a compound well known in animals, gives seed fuzz its intense orange.
By Susan Milius -
Life
Anti-aging: A little stress may keep cells youthful
The aging-related Sirtuin 1 protein also regulates heat shock response, a mechanism cells use to combat stress.
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Ecosystems
Marine census: Surprising number of creatures bipolar
Census of Marine Life offers a preview of massive international census gives fuller count, shows some sea species at both poles.
By Susan Milius -
Life
Jumping genes provide unexpected diversity
Mobile DNA elements have stuffed and shrunk the human genome, a comparison of two genomes reveal
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Planetary Science
Earth may be home to unearthly life
No need to look on other planets for new forms of life — weird life could exist right here on Earth.
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Life
Sponge’s secret weapon restores antibiotics’ power
A chemical from an ocean-dwelling sponge can reprogram antibiotic resistant bacteria to make them vulnerable to medicines again, new evidence suggests.
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Humans
AAAS: March of the Hungry Penguins
Patagonian penguins have become sentinels of climate change and human impacts on the marine world.
By Janet Raloff -
Humans
AAAS: Darwin is the 1000th Steve
The amusing list of living scientists supporting evolution was topped, this evening, by a man named Darwin.
By Janet Raloff -
Agriculture
AAAS: Stress Can Make Plants More Nutritious
People who aren't veggie lovers might want to seek out types of produce that deliver an especially big nutrient bang for the gram.
By Janet Raloff