Medicanes: rare, 'supercharging' Mediterranean storms

The flash flood that has killed thousands of people in Libya this week followed a "medicane", a rare but destructive weather phenomenon that scientists believe will intensify in a warming world.

The Venom spider: New genus named after Marvel character

Tom Hardy and his Marvel character Venom have given their names to a newly-discovered Australian spider. The genus Venomius and its only current species Venomius tomhardyi were described following an expedition to Tasmania.

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