Google, Facebook call for an end to 'abstract' patents

A group of tech companies including Google, Facebook, Red Hat and Dell have stepped into a US patent case to call for a ban on patenting abstract ideas.

Physicists create hottest-ever substance

Scientists say they've created the highest temperature since the Big Bang - 250,000 times hotter than the sun.

Universe started off as a liquid, LHC experiments show

The ALICE detector team at CERN has discovered that the very early universe consisted of a hot, dense liquid, rather than a gas.