Duke University

Analysis of fracking wastewater yields some surprises

Hydraulically fractured natural gas wells are producing less wastewater per unit of gas recovered than conventional wells would. But the scale of fracking operations in the Marcellus shale region is so vast that the wastewater ...

Jan 22, 2013
4.1 / 5 (10) 12 | with audio podcast

Novel materials shake ship scum

Just as horses shake off pesky flies by twitching their skin, ships may soon be able to shed the unwanted accumulation of bacteria and other marine growth with the flick of a switch.

Jan 31, 2013
5 / 5 (3) 0 | with audio podcast

Military sonar can alter blue whale behavior

Some blue whales off the coast of California change their behavior when exposed to the sort of underwater sounds used during U.S. military exercises. The whales may alter diving behavior or temporarily avoid ...

Jul 03, 2013
4.2 / 5 (6) 2 | with audio podcast