When Americans talk about “the river” they are talking about the greatest river of them all, the Mississippi.

This spring the great river is flooding at its highest levels in over 80 years. In order to protect major cities like Baton Rouge and New Orleans, floodwaters are being diverted to about 3,000 square miles of low-lying, [...]

Underwater bacteria had devoured nearly all the methane gas from BP’s blown-out well by August, says a study in Science.

The huge quantities of methane gas that bubbled out of BP’s broken well in the Gulf of Mexico were eaten up almost entirely by undersea microbes by the end of August, a new study reports [...]