Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Scientists in Germany have developed a candy that doesn't cause cavities.
11
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
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
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75