The first patented condom was meant to be reused!
47
The smallest human penis ever recorded was just 5/8 of an inch long!
77
About 400 different kinds of microbes live on and in the human body.
-3
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Children are more allergic to cockroaches than they are to cats!
46
The human brain has the capacity to store everything that you experience.
4k
The human brain doesn't stop developing until about 25 years old.
102