A decade of carbon dioxide data from space gets an upgrade

Every day, two NASA space instruments known as the Orbiting Carbon Observatory-2 and -3 (OCO-2 and OCO-3) capture more than a million observations of sunlight reflecting off Earth's surface. Using the physics of how light ...

An unusual sexual bond between a bull and a male donkey

Sex between animals of the same sex is widespread in nature. But researchers reporting in the journal Current Biology on Nov. 2 describe an unusual partnership involving an ongoing sexual relationship between a bull and a ...

Fingernail-sized chip untangles mixed light into clean beams

Stanford engineers and colleagues designed a chip that can take a muddled mixture of light from multiple lasers and output clean beams of light. It's the first time researchers have demonstrated a device that can take in ...

page 4 from 40