One ragweed plant can release as many as one billion grains of pollen!
51
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
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 most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
One barrel of petroleum holds 42 gallons.
20