On average, there's 100 billion neurons in the human brain.
83
Gorillas can catch human colds and other illnesses.
205
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26