Eons

The Most Useful Fossils In The World

Season 1 Episode 35 | 5m 49s | Video has closed captioning.

For decades, one of the most abundant kinds of fossils on Earth, numbering in the millions of specimens, was a mystery to paleontologists. But geologists discovered that these mysterious fossils could basically be used to tell time in the deep past.

Aired: 04/11/18

Rating: NR

From:

Problems Playing Video? | Closed Captioning

Welcome to Eons!

Preview: EONS

Welcome to Eons!

Join hosts Hank Green, Kallie Moore, and Blake de Pastino as they take you on a journey through the history of life on Earth. From the dawn of life in the Archaean Eon through the Mesozoic Era — the so-called “Age of Dinosaurs” -- right up to the end of the most recent Ice Age.

Explore Eons Now!