At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
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
A cubic yard of air weighs about 2 pounds at sea level.
31
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65