One barrel of petroleum holds 42 gallons.
20
Your brain is 80% water.
525
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Iron weighs more after it rusts.
16
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 average temperature at 40,000 feet above sea level is -60 F.
56