Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
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
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
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9