Nokia sues Apple for patent infringement

Nokia announced Wednesday it is suing Apple in German and US courts for patent infringement, claiming the US tech giant was using Nokia technology in "many" products without paying for it.

Stressed snakes strike first

Whether a wild cottonmouth snake will attempt to strike in an encounter depends on its baseline stress level, according to a team of scientists led by undergraduate researcher Mark Herr.

Oil and the Arctic: what is at stake

A US-Canadian move to block new leases for oil or gas drilling in sovereign Arctic waters is designed to protect an area already severely disrupted by climate change.

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