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Season 53 · Episode 15

10.054mOctober 28, 2026
Earth teems with life in every imaginable form – creatures that walk, swim, slither, and fly. Some grow to astonishing size, like the elephant, while others boast extravagant adaptations, like the hummingbird’s long beak. How did evolution craft such a dazzling variety of body plans? To find the answer, trace life back to its ultimate ancestor, LUCA, and follow the innovations that shaped complexity.