Video - Odd Way to Chirp

A male Anna's hummingbird dives, then uses its tail to chirp upon landing.

Credit: Credit: Chrisopher J. Clark & Teresa Feo/UC Berkeley.

Harnessing Wave Energy

Energy from ocean waves seems like the ultimate in renewable fuel, yet research lags behind studies ...

Play Video
Fido Finder - Using Satellites to Track Your Dog

GPS devices, worn on dogs' collars, report positions to the pets' ...
Star Trek's Warp Drive: Are We There Yet?

Marc Millis, former head of NASA's Breakthrough Propulsion Physics ...
How the Brain Changes as We Grow Up

Brains scans show how the brain's organization changes from childhood ...