It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
According to studies, men change their minds two to three times more often than women.
72
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17