Designing exascale computers

"Imagine a heart surgeon operating to repair a blocked coronary artery. Someday soon, the surgeon might run a detailed computer simulation of blood flowing through the patient's arteries, showing how millions ...

Jul 23, 2014 4.7 / 5 (18) 4

Where have all the swallows gone?

Extinction: the permanent loss of a species. It is deeply troubling—and scientists and birdwatchers are ringing the alarm about a bird species that only a few decades ago was widespread and very common.

Jul 23, 2014 4.9 / 5 (12) 4