A single speck of dust is half way in size between a subatomic particle and the Earth.
15
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
The average home creates more pollution than does the average car.
33
Billions of neutrinos pass unnoticed through your body every second.
6
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Research indicates that plants grow healthier when they are stroked.
173
A ball of glass will bounce higher than a ball made of rubber.
73