While humans can regularly replace certain cells, like those in our blood and gut, we cannot naturally regrow most other parts of the body. For example, when the tiny sensory hair cells in our inner ...
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Our Fingers and Toes Trace Their Origins to a Surprising Structure in Fish, And It Isn’t Their Fins
Learn more about the evolution of human fingers and toes, which originate from the genetic programming for a multipurpose orifice in fish.
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