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Science and Nature

Blood Types Are Weirder Than You Think

Join Joe Hanson as he explores curiosity and illuminates the science behind… well, everything.

Blood Types Are Weirder Than You Think

Season 13 Episode 8 | 16m 20s | CC

Across life on Earth, blood comes in blue, green, purple, even clear. But why? And what makes your blood different from mine? This is the strange world of blood—what it does, why it varies, and why we can’t live without it.

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