Washington University in St. Louis

Hoisting a telescope with helium

Many a child has forgotten to hold tight to the string of a helium balloon only to have it escape and rise until it disappeared in the glare of the sun. Helium balloons want to rise, but launching a balloon ...

Sep 01, 2014
5 / 5 (5) 0

Slaying bacteria with their own weapons

The Centers for Disease Control and Prevention warned last fall that the U.S. faces "potentially catastrophic consequences" if it doesn't act quickly to combat the growing threat of antibiotic-resistant infections, ...

Jun 26, 2014
4.5 / 5 (6) 3

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

Four myths about privacy

(Phys.org) —Many privacy discussions follow a similar pattern, and involve the same kinds of arguments. It's commonplace to hear that privacy is dead, that people—especially kids—don't care about privacy, that people ...

May 01, 2014
5 / 5 (4) 2