Despite gains, women still do most of the housework. Will this gender gap ever narrow?
Wash. Rinse. Repeat. We could be talking about laundry just as easily as we could be describing decades of research on the household division of...
Early Martian Atmosphere Could Be Locked Up in Planet’s Clay Surface
Geological observations of Mars indicate a dense early atmosphere ranging from 0.25 to 4 bar of carbon dioxide. But 3.5 billion years ago, the Martian atmosphere thinned rapidly to approximately 0.054 bar, suggesting a substantial loss of atmospheric carbon dioxide, either to space or the lithosphere. The mechanism by which Mars lost its carbon dioxide
