One human hair can support 3 ounces.
191
Your thumb is about the same size as your nose.
124
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
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
The average sperm cell swims at 8 inches per hour.
76