For every gallon of sea water, you get more than a quarter pound of salt.
45
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Pure water (H2O) does not conduct electricity on its own.
46
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Out of all the senses, smell is most closely linked to memory.
146
4.5 pounds of sunlight strike the Earth each day.
27
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17