One barrel of petroleum holds 42 gallons.
20
Most dust particles in your house come from dead skin.
48
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The storage capacity of human brain exceeds 4 Terrabytes.
140
Sound travels about 4 times faster in water than in air.
408
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
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