One 75-watt bulb gives more light than three 25-watt bulbs.
57
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
Iron weighs more after it rusts.
16
Nylon is made from coal and petroleum.
42
Pure water (H2O) does not conduct electricity on its own.
46
Cold water weighs more than hot water.
93
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42