Tuesday, April 15, 2014

Science is Cool: Darwin Fish, for Real

This fish, a transitionary form between an ordinary fish and a land animal, was actually discovered several years ago, and is in the news because of new book. But I missed it, and so it's new to me! And it's cool. Ugly, but cool. A fish with a neck? And armlike fins? It also shows a minor advantage to climate change: the Arctic was melted enough for them to find the thing.

Image from source, Mother Jones

This Fish Crawled Out of the Water…and Into Creationists' Nightmares

We all know the Darwin fish, the car-bumper send-up of the Christian "ichthys" symbol, or Jesus fish. Unlike the Christian symbol, the Darwin fish has, you know, legs. Har har. But the Darwin fish isn't merely a clever joke; in effect, it contains a testable scientific prediction. If evolution is true, and if life on Earth originated in water, then there must have once been fish species possessing primitive limbs, which enabled them to spend some part of their lives on land. And these species, in turn, must be the ancestors of four-limbed, land-living vertebrates like us. . .

Read more at: Mother Jones

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