Uncategorized
-
EarthAsteroid impact could have stirred the ocean
Model offers one explanation for sudden change in deep-ocean chemistry almost 2 billion years ago.
By Sid Perkins -
AnthropologyMacaws bred far from tropics during pre-Columbian times
Colorful birds possibly raised for ceremonial and trade purposes long before Spanish arrival
By Bruce Bower -
PhysicsInvisibility Uncloaked
In the race to make things disappear, scientists gain ground on science fiction.
-
LifeHormones give lantern sharks the glow
In a first, a study shows that bioluminescence can be controlled by slow-acting hormones, not rapid-fire nerve cells.
-
Parents’ obesity may affect children’s brains; beetle with bifocals
More news from the Society for Neuroscience meeting.