Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
The human brain has the capacity to store everything that you experience.
4k
Yawns are more contagious among people with closer relationships.
163
Mushrooms are more closely related to humans than they are to plants.
47
The human brain doesn't stop developing until about 25 years old.
102
Pain occurs when sounds are above 130 db.
123
The average sperm cell swims at 8 inches per hour.
4