The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The smell of freshly cut grass is actually a plant distress call.
31
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Hot water can freeze faster than cold water.
181
If the chemical sodium is dropped into water it will immediately and violently explode.
67