The smell of freshly cut grass is actually a plant distress call.
31
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20