When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
According to studies, men change their minds two to three times more often than women.
72
One third of the electricity produced on earth is used to power electric light bulbs!
75
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6