The human brain has the capacity to store everything that you experience.
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Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
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Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
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An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
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Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
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Yawns are more contagious among people with closer relationships.
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Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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