The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
In zero gravity, a candle's flame is round and blue.
16
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88