Scientists in Germany have developed a candy that doesn't cause cavities.
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MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
The smell of freshly cut grass is actually a plant distress call.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
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
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
One cubic foot of gold weighs more than 1,200 pounds!
78