A cubic yard of air weighs about 2 pounds at sea level.
31
Aluminum used to be more valuable than gold!
84
Nearly 50% of the world's scientists are assigned to military projects.
71
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Balsa wood is classified as a hard wood!
41
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75