Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Aluminum used to be more valuable than gold!
84
One barrel of petroleum holds 42 gallons.
20
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42