Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Pumice is the only rock that floats on water.
14
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
A ball of glass will bounce higher than a ball made of rubber.
73
Research indicates that plants grow healthier when they are stroked.
173
Sound travels fifteen times faster through steel than through air.
134
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42