Life
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We summarize the week's scientific breakthroughs every Thursday.
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Health & MedicineChimpanzees die from primate version of HIV
A new study links the simian immunodeficiency virus to serious AIDS-like illness in a wild population.
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LifeProtein plays three cancer-fighting roles
The tumor suppressor protein, p53, has three ways to protect cells from turning cancerous. A new study shows that p53 helps make microRNAs.
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LifeSleeping ugly
Analysis pinpoints genes that help springtails dehydrate and tough out the winter.
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LifeWeb decorating with garbage
Spider webs adorned with decaying food remains attract more attacks, but maybe there’s a defensive trade-off at work.
By Susan Milius -
PaleontologyDiggin’ dinos
Structures found in Australian rocks may be the filled-in remains of the world’s oldest dinosaur burrows.
By Sid Perkins -
LifeOld gene, short new trick
A single genetic modification is linked to the stature of short-legged dog breeds, new research shows.
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EarthBird deaths blamed on vitamin deficiency
Shortage of thiamine may have been killing birds in the Baltic and possibly elsewhere for some 25 years.
By Susan Milius -
PhysicsPseudo pores help fling spores
New studies reveal that a thick, soft plant expels its progeny in an unexpected way.
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AnimalsTurtles make sense after all
The odd bodies of turtles add a wrinkle to standard land-dwelling vertebrates.
By Susan Milius -
LifeCollins nominated to head NIH
The chemist — turned physician, turned geneticist — has a spiritual side as well.
By Janet Raloff -
AnimalsMegafish Sleuth: No Steve Irwin
There's no reason a scientist can't be an action hero — even if his damsels in distress have fins.
By Janet Raloff -
EarthMonster stingrays: Field notes from a global wrangler
A megafish biologist shares what he's learning about a rare freshwater species.
By Janet Raloff