18/06/2015

Fitness trackers are hot, but do they really help?

Sales of fitness trackers are climbing, and the biggest maker of the gadgets, Fitbit, made a splashy debut on the stock market Thursday. But will the devices really help you get healthier?

NASA provides many views of Tropical Depression Bill

NASA provided four different views of Tropical Depression Bill as it continued traveling through the south-central U.S. and into the Ohio Valley. NASA's Aqua and Terra satellite provided infrared and visible imagery while ...

Tiger-spray DNA shown as valuable conservation tool

Conservation scientists have demonstrated a new technique to non-invasively survey tigers using their scent sprays, which are detected much more frequently in the wild than scat—the "breadcrumb" that researchers have traditionally ...

New tool on horizon for surgeons treating cancer patients

Surgeons could know while their patients are still on the operating table if a tissue is cancerous, according to researchers from the Department of Energy's Oak Ridge National Laboratory and Brigham and Women's Hospital/Harvard ...

Research simplifies recycling of rare-earth magnets

Despite their ubiquity in consumer electronics, rare-earth metals are, as their name suggests, hard to come by. Mining and purifying them is an expensive, labor-intensive and ecologically devastating process.

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