News
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LifeFaking death lets some female frogs slip the mating grip of a male
Suddenly looking dead, grunting like a guy or vigorously rotating can help female frogs survive mating balls in species with aggressively grabby males.
By Susan Milius -
PlantsOn some Australian islands, sea level rise may be helping mangroves thrive
Rising seas usually spell trouble for mangroves. But the first survey of the Howick Islands in 50 years finds that mangroves there have expanded a lot.
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PaleontologyNewfound fossil species of lamprey were flesh eaters
In China, paleontologists have unearthed fossils of two surprisingly large lamprey species from the Jurassic Period.
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Health & MedicineBrain tissue may be fuel for marathon runners
Myelin, fatty tissue that insulates nerve cells in the brain, may be a renewable energy source for marathon runners and other endurance athletes.