Most dust particles in your house come from dead skin.
48
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
Hot water can freeze faster than cold water.
181
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Sound at the right vibration can bore holes through a solid object.
134
Scientists are now able to grow 'beating' heart tissue in a lab!
162