Nearly 50% of the world's scientists are assigned to military projects.
71
Balsa wood is classified as a hard wood!
41
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Sound at the right vibration can bore holes through a solid object.
134
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51