There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
Gin is a mild diuretic which helps the body get rid of excessive fluid. Thus, it can reduce problems such as menstrual bloating.
90
Your heart will pump about 212 million liters in its lifetime.
26
