Volcanoes and Meteoroids Make Materials Harder Than Diamond

06.24.2009

8 Ways Scientists Look at—But Don't Yet See—Dark Matter

Scientists hunt for the unseen matter that glues together the cosmos. But some wonder whether it even exists. 06.22.2009

The Science of Obama’s Fly-Swatting

A combination of good strategy and some facets of human evolution overcame the bug's impressive natural defenses. 06.18.2009

Hydrogen Headway

The Obama administration has turned away from fuel cells, but there's still promising research in the field. 06.18.2009

Forget Lightning. How Do We Catch Sunshine in a Bottle?

Renewable power is inspiring clever new ways to store electricity—and to uncork it exactly when and where it is needed. 06.17.2009