If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
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The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Most dust particles in your house are made from dead skin!
67
A ball of glass will bounce higher than a ball made of rubber.
73
A cubic yard of air weighs about 2 pounds at sea level.
31
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39