Brass doorknobs automatically disinfect themselves in about 8 hours.
18
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
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Hot water can freeze faster than cold water.
181
The bark of an older redwood tree is fireproof.
65
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108