Lake Powell – The Second Largest Reservoir in the United States – Reaches New Low

Speed-dating study of 100 women and 132 men finds that women aren't more attractive to men while ovulating or less attractive while menstruating, but that women were marginally more likely to offer a second date when most sexually fertile.

NASA ballistic air gun hurls rocks at space suits to test their micrometeorite protection - they shoot it with a steel ball going 3000 ft/second.

'Second-hand' psychological stress can lead to depression in mice, finds study