The single letter has become one of the most iconic symbols in the world.
Differences in the chemicals people's bodies produce - which some people can even smell - may help detect the disease much earlier on.
Panic erupted on the flight after a bomb threat note was found.
'We don't sell ads', they said in a 2012 blog post quoting Tyler Durden from Fight Club.
Visitors at Europe’s largest tech fair joined in with kicking a robotic dog – but it was designed for far worse.
Do you really want one washing your pants?
