Life
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Life
Epic Genetics
The way genes are packaged by "epigenetic" changes may play a major role in the risk of addiction, depression and other mental disorders.
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Life
Duckbill decoded
With a mix of reptilian, bird and mammalian features, the duck-billed platypus genome looks as strange as the animal.
By Amy Maxmen -
Health & Medicine
Perchlorate: A Saga Continues
Perchlorate is not yet a household word in many parts of the country. But it may becomes one if Sen. Barbara Boxer has her way. Perchlorate – an ingredient in solid rocket fuel, fireworks, flares and explosives – taints drinking-water supplies around the nation, not to mention plenty of foods. In animal tests, the pollutant […]
By Janet Raloff -
Ecosystems
Bring in the replacements
Missing links in ecosystems disrupted by extinctions could be restored by introducing species that perform the same function, new field experiments suggest.
By Sid Perkins -
Life
Brittle arms lose muscle
In lab simulations of future ocean conditions, brittle stars grow extra-calcified but puny arms.
By Susan Milius -
Life
Not so different after all
Plague bacteria may be deadlier than its harmless cousin because of a few small genetic changes.
By Tia Ghose -
Life
The Arctic isn’t alone
Insects and other animals that regulate their body temperature externally may be especially vulnerable as the world warms.
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Life
DNA tweak no good for diabetics
A genetic variation that increases levels of a blood-building protein also ups the risk of developing complications from diabetes.
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Life
Coral keeps it in the family
The nutrients released during mass coral spawning feed the whole ecosystem.
By Tia Ghose