The universe may end in another 10 billion years or sooner if the heaviest of all the known elementary particles - the top quark - is even heavier than previously thought, scientists say.
Chinese scientists have come up with a new method of weighing microscopic particles such as single atoms or protons, as well as cancer DNA, which could lead to early diagnoses of the disease.
A team of physicists has looked at the conditions necessary for the formation of carbon and oxygen in the universe, the two elements crucial to life.
Day in Pics: 25th October
Showbiz World - October 25, 2014
'Happy New Year' star cast perform in Washington