Washington University in St. Louis

Happy 10th anniversary Opportunity

Ten years ago, on Jan. 24, 2004, the Opportunity rover landed on a flat plain in the southern highlands of the planet Mars and rolled into an impact crater scientists didn't even know existed. The mission ...

Jan 23, 2014
4.9 / 5 (7) 0 | with audio podcast

Microbes buy low and sell high

The idea that people make calculated decisions that allow them to obtain the most goods with the smallest amount of effort—a complex hypothesis called 'economic man' for short—often has been challenged. ...

Jan 13, 2014
4.2 / 5 (12) 0 | with audio podcast