Tunisian eco-pioneers battle to save Sahara oasis life

A remote oasis in Tunisia's desert was exhausted by decades of wasteful water use for agriculture—but now pioneers around an eco-lodge are reviving the spot with innovative projects.

Waste coffee grounds could someday help detect brain waves

There's nothing like a steaming cup of joe to give your morning a quick boost. Now, there's yet another reason to love the beverage. Today, researchers report the first application of used coffee grounds as environmentally ...

'Worm-on-a-chip' device could someday help diagnose lung cancer

Dogs can use their incredible sense of smell to sniff out various forms of cancer in human breath, blood and urine samples. Similarly, in the lab a much simpler organism, the roundworm C. elegans, wriggles its way toward ...