We share 70% of our DNA with a slug.
218
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Our brains have a negativity bias and will remember bad memories more than good ones.
15
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
Your fingernails grow faster in summer.
744
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
On average, there's 100 billion neurons in the human brain.
83
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23