How dinosaur arms turned into bird wings

Although we now appreciate that birds evolved from a branch of the dinosaur family tree, a crucial adaptation for flight has continued to puzzle evolutionary biologists. During the millions of years that elapsed, wrists went ...

Study demonstrates wearable sensors to detect firearm use

A new study from the University of Pennsylvania demonstrates that wearable sensors could one day transform the correctional system by tracking gun use by community-based offenders, who account for a disproportionate share ...

Android-powered watches get Internet savvy

The Internet was strapped to wrists at the Consumer Electronics Show on Wednesday in the form of Android-powered "smart watches" that serve up online content along with telling time.

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