Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
The bark of an older redwood tree is fireproof.
65
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
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