One barrel of petroleum holds 42 gallons.
20
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116