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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.
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.