Babies crawl an average of 200m a day.
212
Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99
Intelligent people have more zinc and copper in their hair.
233
City dwellers have longer, thicker, denser nose hairs than country folks do.
48
Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.
165
A study had men report their own penis size, and the average was found to be 6.1-6.5 inches. A subsequent clinical study actually measured penises, and found the average size to be 5.1-5.7 inches.
-3
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11