News
- Health & Medicine
White dental fillings may impair kids’ behavior
Effects seen only for fillings that used bis-GMA, a resin derived from bisphenol A.
- Life
Insulin may be Big Antler hormone
Extra sensitivity to the hormone in certain developing tissues might give animals their oversized weapons and ornaments.
- Life
Skinny searchers keep fat ants full
By controlling movement out of an ant nest, researchers discover that ants weigh tubbiness in deciding who hunts for food.
- Humans
Early Americans took two tool tracks
Creators of separate spearhead styles colonized North America more than 13,000 years ago.
- Health & Medicine
Proliferation protein goes rogue in lung cancer
Rac1b might promote malignancy, could be a target for treatment.
- Health & Medicine
Memories clutter brain in amnesia
Complex patterns slow down object recognition in patients with disorder.
- Earth
Warming indicted for extreme weather
Climate change can explain some 2011 departures from the norm.
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- Space
Moon patterns explained
Electric fields enveloping magnetic bubbles may form mysterious lunar swirls.
- Life
Young flies cannibalize the plump
An evolutionary biologist’s modest proposal shocks colleagues who thought they knew everything about their favorite laboratory organism.
- Paleontology
Not your typical pterosaur
A beautifully preserved fossil from Germany displays a wing unlike any ever seen.
- Life
Trout nose cells follow magnetic fields
Iron-rich tissue may be at root of a biological compass.
