Tag «fossils»

Fossils 101 | National Geographic

Fossils 101 | National Geographic

(gentle music) – [Narrator] Like buried treasure, they lie hidden from sight. Echoes of an ancient past, they whisper secrets and tell tales once lost to time. Fossils are remnants or impressions of ancient organisms that are naturally preserved in stone. While there are hundreds of fossil types, they are often grouped into two major …

ESS1C – The History of the Earth

ESS1C – The History of the Earth

Hi. It’s Paul Andersen and this is disciplinary core idea ESS1C. It’s on the history of planet earth. And the history of planet earth is literally written in the rocks. And so if we look at those rocks, these are sedimentary rocks, they’re going to be laid down over time. So there’s erosion and deposition. …

Earth Science: Crash Course History of Science #20

Earth Science: Crash Course History of Science #20

From 1600 to 1800, European physics and chemistry went through revolutions that made them quantitative, or numbers-based. Meanwhile, biology remained with natural history, and stuck with observation-based knowledge. But what about the study of the earth? In this field, natural philosophers were asking questions like, what’s up with fossils? Are they the remains of extinct …

An Illustrated History of Dinosaurs

No other animals from the deep past capture our imaginations like dinosaurs. Any kid old enough to hold a crayon can probably draw one. And we older kids have our own images that come to mind when we think of the terrible lizards. But the reason that we have to imagine the non-avian dinosaurs, of …

History’s Most Powerful Plants

History’s Most Powerful Plants

Chances are, if you’ve turned on a lightbulb or a computer, you’ve harnessed the power of some very ancient, and very strange … trees. The vast majority of the electricity produced in human history has come from coal. And like all fossil fuels, coal is made from the remains of extinct organisms that have been …

The Missing Link That Wasn’t

The Missing Link That Wasn’t

It’s 1912, and an amateur archaeologist named Charles Dawson came forward with a discovery that almost changed our understanding of human evolution. Almost. Dawson’s find was some unusual human-like skull fragments, and he showed them to the Keeper of Geology at the British Museum, Sir Arthur Smith Woodward. He explained that the fragments were given …

The Last Time the Globe Warmed

The Last Time the Globe Warmed

Thanks to Curiosity Stream for supporting PBS Digital Studios. Imagine an enormous rainforest teeming with life: trees, insects, pretty little birds. Primates are climbing in the canopy, while crocodiles and turtles swim in the rivers below. Beautiful, isn’t it? Now imagine this lush rainforest … in the Arctic. There was a time — and not …