The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34
Pumice is the only rock that floats on water.
14
Out of all the senses, smell is most closely linked to memory.
146
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89