By Duncan Geere, Wired UK

Seismologists hunting for ways to predict earthquakes in advance have stumbled on a potential breakthrough — detecting ozone generated by rocks fracturing deep underground.

By Andrew Curry, ScienceNOW

A quarter larger than today’s lions, the European cave lion was one of the biggest cats around 12,000 years ago. Now, an unusually sophisticated analysis of its bones is revealing what these creatures ate—and why they may have disappeared.

Although they were certainly massive cats, the term “cave lion” is a bit of a misnomer. Unlike today’s lions, males probably didn’t have manes, and they appear to have been solitary hunters. What’s more, though their bones are best preserved in caves, they probably lived in the open. But they did have one thing in common with...