A team of Chinese researchers has turned cheap copper into a new material "almost identical" to gold, according to a study published on Saturday in the peer-reviewed journal Science Advances.

The word "idiot" has been searched for more than one million times, following testimony typing it into Google Images threw up pictures of President Trump.

A Soyuz rocket carrying Russian, American and Canadian astronauts took off from Kazakhstan and reached orbit on Monday, in the first manned mission since a failed launch in October.