One barrel of petroleum holds 42 gallons.
20
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
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
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Sound travels fifteen times faster through steel than through air.
134
Hot water can freeze faster than cold water.
181