Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The average person's skin weighs twice as much as their brain.
131
If you hold farts in during the day, they'll just come out when you sleep.
16
Held in farts enter your bloodstream and are bad for your body.
26
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16