There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Scientists aren't sure what color dinosaurs were.
312
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Scientists in Germany have developed a candy that doesn't cause cavities.
11
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
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118