You forget 90% of your dreams.
256
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Gorillas can catch human colds and other illnesses.
205
Tigers can see 6 times better at night than humans.
305
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266