Aluminum used to be more valuable than gold!
84
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Research indicates that plants grow healthier when they are stroked.
173
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Nearly 50% of the world's scientists are assigned to military projects.
71