Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The human sigh acts as a physiological reset button.
23
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Our Right Lungs takes more air than our left lung.
194
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