Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Sound travels about 4 times faster in water than in air.
408