The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
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
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
34
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Mushrooms are more closely related to humans than they are to plants.
47