News

Life

Mouse cells grown in rats cure diabetes in mice

Mixing cells of two species produces pig and cattle embryos with some human cells.

Physics

Chemists strike gold, solve mystery about precious metal’s properties

A longstanding puzzle about gold’s properties has been solved with more complex theoretical calculations.

Life

What a mosquito’s immune system can tell us about fighting malaria

Immune system messengers carried in microscopic sacs help mosquitoes fend off malaria, new research suggests.

Ecosystems

In debate over origin of fairy circles, both sides might be right

Odd bare spots called fairy circles in African grasslands might be caused by both termites and plants.