Washington University in St. Louis

Hunting for dark matter in a gold mine

"What really impressed me was the trip down," said astrophysicist James Buckley, PhD, speaking of the vertical mile he traveled to get to the site of an underground dark-matter experiment. "You can see you're ...

Dec 09, 2014
4.9 / 5 (18) 36

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

How repeatable is evolutionary history?

Writing about the weird soft-bodied fossils found in the Burgess Shale in the Canadian Rockies, paleontologist Stephen Jay Gould noted that of 25 initial body plans exhibited by the fossils, all but four ...

Jun 23, 2014
4.2 / 5 (19) 71