The winners of the chemistry prize developed ways to produce machines 1,000 times thinner than a strand of hair.
The winners of the chemistry prize hail from France, Scotland and the Netherlands.
It's estimated that up to a third of the athletes that we'll watch at the Olympics, will be dopers. So how do you dope and get away with it?
"Young" rocks from gigantic volcanic eruptions are helping scientists peer back 4.5 billion years.