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
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
A ball of glass will bounce higher than a ball made of rubber.
73
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The smell of freshly cut grass is actually a plant distress call.
31
The average home creates more pollution than does the average car.
33