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Welcome back to a shortened week of Cool Stuff Ride Home. I'm Reggie Rizzu alongside Marcus

Paff on today's episode how the fossil

teeth of an 11 year old helps us understand why humans have an unusually long childhood and one small

town in scotland will have a jolt to its budget after discovering a 300 year old statue valued at 2 million u.s

dollars plus on this day in history Bill Schrader makes history with the

Jarvick 7 Artificial Heart. That's all coming up on cool stuff. When compared to other animals,

humans are remarkable among mammals for our uniquely long childhood, a phase of life during which

we grow, learn, and remain dependent on caregivers far longer than any other species.

While great apes, our closest relatives, transition quickly to adulthood,

human children spend years developing the social and cognitive skills needed to navigate

our complex world. For decades, scientists believe this prolonged childhood evolved in tandem

with the growth of larger brains.

However, groundbreaking research is now prompting a re-evaluation of this theory,

suggesting that the extension of childhood may have come first laying the groundwork for brain expansion.

A recent study published in the journal Nature analyzed the fossil teeth of a young homo individual who lived

around 1.77 million years ago at the Domenesi site in present-day Georgia. Teeth which

developed in daily layers like the rings on a tree are invaluable for studying growth patterns.

...