News

Neuroscience

Brain cells predict opponent’s move in game-playing monkeys

Newly discovered brain cells help monkeys predict whether a companion will cooperate.

Plants

Tropical plant knows whose bill is in its flowers

A rainforest plant avoids inbreeding by accepting pollen only from hummingbird species that must travel to reach it.

Quantum Physics

Trying to get the down-low on gravity

A twist on a classic quantum mechanics experiment could lead to the discovery of elusive gravitons.

Astronomy

Planet collisions may have rearranged crowded solar systems

Solar systems discovered by Kepler with just one or two worlds may be remnants of planet families that were once far more crowded.