Check out the fascinating science behind the evolution of the turtle shell, over 260 million years in the making: | TED-Ed

Where did turtles come from? And how did the they get their shells? The answers to these questions would eventually cause scientists to rethink the entire history of reptile evolution. | Eons • PBS

You are free to share. As Emilia and her friend Treasure made their way down the valley, the roar of the Agbokim waterfall grew louder, and their excitement grew with each step. The air was thick with the scent of blooming flowers and the sound of birdsong, and the girls couldn't wait to reach the basin of the falls. Finally, after what seemed like an eternity, they emerged from the dense foliage and caught their first glimpse of the breathtaking waterfall. The sunlight danced through the mist,

This is what's inside a turtle shell. | Insider Science