Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Your brain is 80% water.
525
A ball of glass will bounce higher than a ball made of rubber.
73
Pure water (H2O) does not conduct electricity on its own.
46
One barrel of petroleum holds 42 gallons.
20
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The average temperature at 40,000 feet above sea level is -60 F.
56