GRAB AND GO A new medical device uses a catheter to deliver a wire mesh stent to snag and remove stroke-causing blood clots from inside brain arteries, restoring blood flow.
Surgically linking the circulatory system of old mice (gray) to young mice (yellow) boosts healing of broken bones (X-ray at right), compared with linking two old mice together (left).
G.S. Baht et al/Nature Communications 2015
FOOD ISSUES Since adopting a bamboo diet around 2 million years ago, giant pandas still haven’t fully adapted to the fibrous food: Their guts don’t harbor the plant-degrading bacteria typical of other herbivores.