If you are cold you are more likely to be hungry because you use energy to keep warm.
143
Poor eyesight (myopia) is associated with higher IQ.
232
Yawns are more contagious among people with closer relationships.
163
Your heart will pump about 212 million liters in its lifetime.
26
Your thumb is about the same size as your nose.
124
The human brain uses approximately as much energy as a 10 watt light bulb.
120
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197