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
The smell of freshly cut grass is actually a plant distress call.
31
Each day, up to 150 species of life become extinct.
-23
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
According to studies, men change their minds two to three times more often than women.
72