When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
One barrel of petroleum holds 42 gallons.
20
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
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13