The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The smell of freshly cut grass is actually a plant distress call.
31
German chemists made a replica of a trophy the size of one molecule.
68
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The bark of an older redwood tree is fireproof.
65
One third of the electricity produced on earth is used to power electric light bulbs!
75