Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
One ragweed plant can release as many as one billion grains of pollen!
51
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Pure water (H2O) does not conduct electricity on its own.
46
Balsa wood is classified as a hard wood!
41
Sound at the right vibration can bore holes through a solid object.
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