Hot water can freeze faster than cold water.
181
Aluminum used to be more valuable than gold!
84
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199