The bark of an older redwood tree is fireproof.
65
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Nearly 50% of the world's scientists are assigned to military projects.
71
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Pure water (H2O) does not conduct electricity on its own.
46
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Cold water weighs more than hot water.
93