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Human Body: Built for Survival

Related Article: Learn more about the human brain.

How does one of the most ancient parts of the human mind keep us alive in the most desperate situations? Learn how the human body alters itself to increase the probability of survival in this Discovery Channel video.

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Understanding the Brain: Development (0:57)

A baby's environment plays just as large a role in its development as its genes. Watch a video brought to you by the Discovery Channel.

How Sunburns Work (0:58)

Sunburns can be painful and dangerous to your health, so doctors recommend avoiding the sun or using sunscreen. Learn about sunburn in this HowStuffWorks video.

Human Body: Bone Strength (2:59)

After being pulled out of his home by a tornado, a man lands in a nearby field with no significant injuries. The strength of his bones protected him. Bones' resiliency is discussed in this Discovery Channel video.

Digestive System: Mouth (1:08)

Both mechanical and chemical digestion take place in the mouth.

Human Body: The Strength of Street Gymnasts (2:54)

These remarkable urban athletes push their bones, muscles, and joints to the max. Learn how the human body is capable of such feats in this amazing Discovery Channel video.

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How Sunburns Work (0:58)

Sunburns can be painful and dangerous to your health, so doctors recommend avoiding the sun or using sunscreen. Learn about sunburn in this HowStuffWorks video.