Life
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Animals
Wolverine: Climate warming threatens comeback
BLOG: New data point to unexpected sociability and filial behavior in carnivore.
By Janet Raloff -
Life
Gene therapy for depression
Researchers were able to reduce pathological behaviors in mice by delivering genetic material to a particular brain region.
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Animals
Lady MacBee
In one stingless Brazilian species, young queens shut out of succession in their own hives often usurp another colony’s throne.
By Susan Milius -
Life
Molecular Evolution
Investigating the genetic books of life reveals new details of 'descent with modification' and the forces driving it.
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Life
Climate changes, and there goes the neighborhood
The ranges of rattlesnakes and voles are likely to shift drastically with warming, analyses of past changes suggest.
By Susan Milius -
Chemistry
Guards of the blood-brain barrier identified
Specialized cells called pericytes are crucial to protecting the central nervous system, two new studies demonstrate.
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Life
More than a chicken, fewer than a grape
A decade after the completion of the Human Genome Project, the exact number of human genes remains elusive.
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Life
New species a little nipper
A mongoose-like creature from Madagascar is the first new carnivore to be discovered in more than two decades.
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Life
Pterosaurs might have soared 10,000 miles nonstop
Flight analysis suggests ancient reptiles were record setters.
By Susan Milius -
Life
One small step for a snail, one giant leap for snailkind
Experiments suggest that gastropods shed their shells in one fell swoop during the evolutionary transition that created slugs.