The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
One 75-watt bulb gives more light than three 25-watt bulbs.
57
A cubic yard of air weighs about 2 pounds at sea level.
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
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Billions of neutrinos pass unnoticed through your body every second.
6
The bark of an older redwood tree is fireproof.
65