But such a large amount of unaccounted-for water is not easily explained by current models of Martian evolution.

BBC: By BBC News Online Science Editor Dr David Whitehouse

The Stanford University professor of biological sciences devotes a large amount of her time to taking a business perspective on land and water as a type of natural capital.

FORBES: Stanford Professor Uses Software To Value Nature

If that seems like an astronomically large amount of water for such a small change, it's because it is.

CNN: 'Meatless Monday' too hot a potato for USDA