One 75-watt bulb gives more light than three 25-watt bulbs.
57
Most dust particles in your house are made from dead skin!
67
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57