When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
The average person's skin weighs twice as much as their brain.
131
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Tigers can see 6 times better at night than humans.
305
The human sigh acts as a physiological reset button.
23
The human eye blinks an average of 4,200,000 times a year.
233
There are about 255 babies born worldwide every minute.
46