Be Smart
The Unbelievable Story of Earth’s Most Epic Flood
One day around 15,000 years ago, a wall of ice 2,000 feet tall and 30 miles wide suddenly broke wide open, and it unleashed the largest flood that we know of in the history of Earth. Come and hit the road with me as we search for the...
SciShow
The Earth's "Boring Billion" Years Were Anything But
About 1.8–0.8 billion ago, the Earth went through a period known as the Boring Billion, where not a lot changed in terms of geology, evolution, or even the number of hours in a day. Some scientists call it “the dullest period in Earth’s...
SciShow
10 of the Strangest Prehistoric Creatures
We know what the dinosaurs looked like thanks to fossils, but have you seen some of these wild creatures? Join Michael Aranda for a new episode of SciShow and take a closer look at some of the strangest-looking animals evolution has...
SciShow
The Northern Hemisphere’s Very Own Giant Penguins (Sort Of)
Today, penguins are found mainly in the Southern Hemisphere. But fossils have revealed giant lookalikes to these swimming birds further up north, spurring questions of how they evolved and what happened to them.
TED-Ed
TED-ED: The coelacanth: A living fossil of a fish - Erin Eastwood
The coelacanth, a prehistoric fish that was mistakenly thought to have gone extinct at the same time as the dinosaurs, has managed to stick around our seas for 360 million years. Erin Eastwood details the surprising "back from the dead"...
Crash Course
Comparative Anatomy: What Makes Us Animals - Crash Course Biology
Hank introduces us to comparative anatomy, which studies the similarities and differences in animal anatomy to support the theory of evolution and the shared ancestry of living things.
SciShow
The Sex Lives of Early Humans
Hank talks about ancient sexy times, and how we know that early humans were getting it on with all kinds of folks.
SciShow
The 10 Oldest Fossils, and What They Say About Evolution
Wouldn’t it be cool to be able to point at a fossil and know that it’s the first, say, plant? Well... yeah! But it's not that easy! Scientists are always making new discoveries that throw all our old assumptions into question, but we've...
Curated Video
Why are There 30 Million Horseshoe Crabs on This Beach?
Every spring, the beaches of Delaware Bay play host to one of the world’s wildest parties. Millions of prehistoric crabs (and hundreds of thousands of birds) converge here. These horseshoe crabs spend most of their lives in the ocean...
Curated Video
Crude oil
A naturally occurring thick brown liquid, composed of a mix of hydrocarbons, and usually found deep underground. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
How Did Mammals Evolve?
An introduction to the ‘mammal-like reptiles’ that walked the Earth millions of years before the dinosaurs – and from which all modern-day mammals would eventually evolve. Biology - Animal Kingdom - Learning Points. Early reptiles split...
Curated Video
Fossil Fuels: Use
Fossil fuels are a finite energy source. How long will they last, and why is it so difficult and costly to extract these fuels from beneath the earth and oceans? Earth Science - Earth's Resources - Learning Points. Fossil fuels are...
Curated Video
Fossil Fuels: Formation
Where does our natural gas, coal and oil actually come from? Discover the processes that created our modern fossil-fuel reserves, which began millions of years ago. Earth Science - Earth's Resources - Learning Points. Fossil fuels are...
Curated Video
Rocks – Clip
Find out how the fossils found in 124-million-year-old sedimentary rocks are revealing new information about evolution. Material processes - Classifying materials - Rocks A Twig Tidbit Film - Clip. A short film that extends the learning...
Curated Video
Prehistoric night
Discover how the lives of humans were transformed by the invention of the electric light bulb. Physical processes - Light - Light sources Learning Points The Sun and stars are natural light sources. Campfires and candlelight are...
Curated Video
Fossils - Preserved Life Remnants
See the fossilised footprints of the first bird and discover how remains of organisms have been preserved for 150 million years. Material processes - Classifying materials - Rocks Learning Points Fossils form when the remains or marks...
Cerebellum
Prehistoric Man Human Evolution - What Do Fossils Tell Us?
Beginning in the late nineteenth century and throughout the twentieth century, geologists, archaeologists and paleoanthropologists have given the world evidence of the physical and cultural development of humans. This video looks at the...
Cerebellum
Prehistoric Man Human Evolution - What Skeletons Reveal
Beginning in the late nineteenth century and throughout the twentieth century, geologists, archaeologists and paleoanthropologists have given the world evidence of the physical and cultural development of humans. This video looks at how...
Cerebellum
Prehistoric Man Human Evolution - Speech And Language
Beginning in the late nineteenth century and throughout the twentieth century, geologists, archaeologists and paleoanthropologists have given the world evidence of the physical and cultural development of humans. This video looks at the...
Cerebellum
Dinosaurs - Cretaceous period and Extinction
How did dinosaurs get their names? What were the dinosaurs like? How long ago did they live? Can a dinosaur be created from DNA? Did they take care of their young? Why did they die out... or did they? In the Cretaceous Period! This is...
Cerebellum
Prehistoric Man Human Evolution - Why Do Humans Dominate The Earth?
Beginning in the late nineteenth century and throughout the twentieth century, geologists, archaeologists and paleoanthropologists have given the world evidence of the physical and cultural development of humans. This video looks at what...
Curated Video
The African Origin of Mathematics
Perhaps the oldest known mathematical device in the history of mankind was created in Central Africa and could potentially be the originator of Egyptian and Greek mathematics.
Cerebellum
Prehistoric Man Human Evolution - The Human Family Tree
Beginning in the late nineteenth century and throughout the twentieth century, geologists, archaeologists and paleoanthropologists have given the world evidence of the physical and cultural development of humans. This video looks at how...