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
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
One barrel of petroleum holds 42 gallons.
20
Sound at the right vibration can bore holes through a solid object.
134
Most dust particles in your house are made from dead skin!
67
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118