Iron weighs more after it rusts.
68
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Iron weighs more after it rusts.
16
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 have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
The smell of freshly cut grass is actually a plant distress call.
31