Out of all the senses, smell is most closely linked to memory.
146
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Sound travels fifteen times faster through steel than through air.
134
In zero gravity, a candle's flame is round and blue.
16
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101