Archive: 01/31/2014

Tracking air pollution aids policy makers

(Phys.org) —Recently, Beijing and the nearby Chinese provinces were veiled in smog that reduced visibility, induced health problems, and reached levels described as "beyond index."

Jan 31, 2014
5 / 5 (3) 0 | with audio podcast

Big sperm don't always win the race

When females mate with more than one male, each one's sperm has to compete to get to her eggs. Until now, researchers had thought the fastest sperm would dominate.

Jan 31, 2014
4.6 / 5 (5) 0 | with audio podcast