Essential video portal focusing on human nature, promoting healthy skepticism, critical thinking and reason.

BRAIN / MIND


Why Do You Sleepwalk?

Why Do You Sleepwalk?

[2:36] Sleepwalking (somnambulism) is quite common but why do people do it? Is waking up a sleepwalking person bad for t…

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What is depression?

What is depression?

[4:28] Depression is the leading cause of disability in the world; in the United States, close to ten percent of adults s…

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The science of skin color

The science of skin color

[4:53] When ultraviolet sunlight hits our skin, it affects each of us differently. Depending on skin color, it’ll ta…

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