Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The average temperature at 40,000 feet above sea level is -60 F.
56
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39