It looks like a tattered surgical stocking with legs. But this millimetre-long fossil is one of the best preserved animal fossils from the Cambrian period, 500m years ago. With no mineralised hard parts, worms like this would ...
Sep 28, 2016 in Archaeology & Fossils
A technique that uses fluorescent dyes to measure the temperature inside living cells is helping to reveal the mechanism by which living organisms generate heat.
Oct 07, 2016 in Materials Science