Aluminum used to be more valuable than gold!
84
A cubic yard of air weighs about 2 pounds at sea level.
31
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Out of all the senses, smell is most closely linked to memory.
146
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101