Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The average temperature at 40,000 feet above sea level is -60 F.
56
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
The smell of freshly cut grass is actually a plant distress call.
31
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55