Aluminum used to be more valuable than gold!
84
Your brain is 80% water.
525
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
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Sound travels about 4 times faster in water than in air.
408
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
Balsa wood is classified as a hard wood!
41
The smell of freshly cut grass is actually a plant distress call.
31