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

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Are We All Related?

Are We All Related?

[6:25] This is part 3 of our special series on Human Ancestry! [Video and text source: It’s Okay To Be Smart YouTub…

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The scale of the universe

The scale of the universe

[3:49] Carl Sagan told us that there are more stars in the universe than there are grains of sand on all of the Earth’…

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