Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The human body contains over a billion miles of DNA.
147
There's 100 trillion good bacteria living in your body.
17
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17