
Some of the best ideas come not from poring over the facts but from a walk in the woods

New technique quickly, cheaply identifies a particularly dangerous form of cancer

New device uses a smartphone to collect and email data on heart rhythms

Cancer sensor, a better way to search tweets, and quantum teleportation are among research highlights at a global high-school-science competition

Technique uses microorganisms to scour tiny pollutants from waste water

Simple, inexpensive and eco-friendly fridge keeps fruits and veggies fresh for days

Gel-filled liner absorbs energy of impacts, may reduce sports-related head injuries

Science fair finalists include firefighters, musicians and even magicians