Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
For every gallon of sea water, you get more than a quarter pound of salt.
45
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Balsa wood is classified as a hard wood!
41
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Aluminum used to be more valuable than gold!
84
Sound at the right vibration can bore holes through a solid object.
134