Hank Green has been a knotty boy. One of the latest episodes of his YouTube show, SciShow, is all about knitting and how science is elevating the lowly craft to a place of actual importance. You know ...
(via SciShow) Humans love to decorate, and that's been true for a long time. Early humans have been painting on the walls for tens of thousand of years, and their work helped us understand a lot about ...
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