The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The storage capacity of human brain exceeds 4 Terrabytes.
140
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
The bark of an older redwood tree is fireproof.
65
One ragweed plant can release as many as one billion grains of pollen!
51
The smell of freshly cut grass is actually a plant distress call.
31
The force of a suction cup is calculated using F=AP.
15
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75