Thunderstorms create beams of antimatter

[MarkS]

A space telescope has accidentally spotted thunderstorms on Earth producing beams of antimatter.

Results from the Fermi telescope show they also give out streams of electrons and their antimatter counterparts, positrons.

The surprise result was presented by researchers at the American Astronomical Society meeting in the US.

More here:
http://www.bbc.co.uk/news/science-environment-12158718