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In this short capsule, Christopher explains that during our life, the body produces enough saliva to fill two pools.

Christopher explains that the air that is projected during a sneeze can reach a speed of 56 km/h and can land 9 metres further. It is therefore important to cover your mouth with your elbow when sneezing!

People with blond hair have more hair than others, but they are thinner, while people with red hair are the ones with the least hair.

Christopher explains that the tongue is a part of the body that heals very quickly because of the multiple blood vessels that make it up.

Christopher explains that the nails of the hands grow faster than the nails of the feet, because the growth of the nails is associated with the shocks: as the hands are used more than the feet, the nails grow faster.

Christopher explains that our breath becomes white when it is cold, because it turns into small droplets of water in contact with the cold.

Christopher explains that the human body emits light that is not visible to the naked eye.

Christopher explains that humans and bananas have 50% of their DNA that is similar.

Christopher explains that the energy produced by the brain would be powerful enough to light a light bulb.

We measure up to 2 centimeters taller when we wake up. Christopher introduces us to this phenomenon.

Christopher explains that it is more difficult for our body to sulk than to smile, because the muscles to sulk are less often used than those to smile.

Christopher explains that the brain needs water to work well, so it's important to drink plenty of water throughout the day.

Christopher explains that the color of the tongue can express a person's state of health.

Christopher explains the role of each hemisphere of the brain.

Christopher explains that identical twins are called monozygotes because they are two sperm that fertilized the same egg that subsequently split.