How Worm Holes Ended Wormworld

Eons

18th March 2021 10 mins Season 5 Episode 8

Elongated tubes, flat ribbons, and other “worm-like” body plans were so varied and abundant that a part of the Ediacaran is sometimes known as Wormworld. But in the end, the ancient Wormworld was ended by the actions of its very own worms.

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Season 5 · Episode 9

How Humans Became (Mostly) Right-Handed

No other placental mammal that we know of prefers one side of the body so consistently, not even our closest primate relatives. But being right-handed may have deep evolutionary roots in our lineage. And yet, being a leftie does seem to come with some unexpected advantages.

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