Microbe-eating-microbes are found in "almost every ecosystem on Earth," says a defense department scientist who hopes bacteria of this type might one day be deployed to fight human infections.
As it jumps, twists and lands a full backflip, Boston Dynamics' Atlas robot takes another step toward full functionality in a world designed for humans.
Research in epilepsy has found a key to why small pulses of electricity to the brain sometimes help and sometimes hurt a failing memory. Brains hurt by physical trauma or dementia might benefit, too.
Journalist Sharon Weinberger discusses the Defense Advance Research Projects Agency, which develops innovative scientific technologies for the military. Her new book is The Imagineers of War.
DARPA, the Pentagon's R&D agency, is working with partners to develop low-cost gliders that travel about 100 miles and disappear within hours. The vehicles could have humanitarian and military uses.
Developers of disaster recovery robots gathered in California this weekend to compete for a $2 million prize. Some robots shone. Many got stuck, moved at a snail's pace or fell down on the course.
