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The Molecular Machines In Your Body

Every day billions of cells in your body are dividing to replace the 50 – 70 billion cells that die in a human’s body each day. This cell division (mitosis) requires an army of tiny molecular machines. This video contains a time-lapse sequence of a cell dividing and scientifically accurate animated depiction of DNA.

Where Did Viruses Come From?

This video from PBS explores the origins of viruses and how they evolve. The past of viruses can be traced because they are preserved in the DNA of the hosts that they’ve infected. But are viruses even alive?

Seventeen Jaw Dropping Facts About The Human Body

When you are awake, your brain generates enough electricity to keep a low-wattage LED lamp shining. The enamel which covers the top of your teeth is the hardest part of your whole body. Hydrochloric acid in a human stomach can destroy metals The contents of your bloodstream, vitamins, drugs, or alcohol, can be found out

30 Facts About The Human Body You May Not Know

Summary of facts shown in the video: A tongue print is absolutely unique. A single hair can hold the weight of a hanging apple. The number of bacteria in a person’s mouth is equal to the number of people living on Earth, or even more. Nails that are soft and brittle, with no moon, could indicate an overactive thyroid. The speed of an incoming brain impulse is about 400 km/h. There are not just