Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
One barrel of petroleum holds 42 gallons.
20
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
Pure water (H2O) does not conduct electricity on its own.
46
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Research indicates that plants grow healthier when they are stroked.
173
One 75-watt bulb gives more light than three 25-watt bulbs.
57