Sound travels fifteen times faster through steel than through air.
134
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
Out of all the senses, smell is most closely linked to memory.
146
The average temperature at 40,000 feet above sea level is -60 F.
56
Billions of neutrinos pass unnoticed through your body every second.
6
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
German chemists made a replica of a trophy the size of one molecule.
68
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89