The chemicals indole and skatole, which help to account for the particular smell of human feces, are used as ingredients in perfume!
-3
The average sperm cell swims at 8 inches per hour.
76
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Research indicates that babies who suck on pacifiers are more prone to ear aches.
21
Enamel is hardest substance in the human body.
61
Pain occurs when sounds are above 130 db.
124
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8