Rivers raged on Mars late into its history

Long ago on Mars, water carved deep riverbeds into the planet's surface—but we still don't know what kind of weather fed them. Scientists aren't sure, because their understanding of the Martian climate billions of years ...

First algae powered building goes up in Hamburg

(Phys.org) —A 15-unit apartment building has been constructed in the German city of Hamburg that has 129 algae filled louvered tanks hanging over the exterior of the south-east and south-west sides of the building—making ...

Unexpected allies help bacteria clean uranium from groundwater

(Phys.org) —Since 2009, SLAC scientist John Bargar has led a team using synchrotron-based X-ray techniques to study bacteria that help clean uranium from groundwater in a process called bioremediation. Their initial goal ...

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