Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
One cubic foot of gold weighs more than 1,200 pounds!
78
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
One third of the electricity produced on earth is used to power electric light bulbs!
75
Iron weighs more after it rusts.
68
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
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