The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
If the chemical sodium is dropped into water it will immediately and violently explode.
67
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
One cubic foot of gold weighs more than 1,200 pounds!
78
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
The force of a suction cup is calculated using F=AP.
15
The sun is 330,330 times larger than the earth.
75