SciShow
Why Does Everything Decay Into Lead
If you look at a copy of the periodic table, you might notice that basically every element after lead is labelled as radioactive. And the vast majority of those elements wind up decaying into some version of lead eventually. But why is...
SciShow
How Do We Know How Old the Earth Is?
In the wake of World War 2, Clair Patterson embarked on a scientific quest to find out how old the Earth really is. His hard work paid off, but it also revealed a modern danger.
SciShow
Why Carbon Dating Might Be in Danger
Carbon dating transformed fields like archeology and paleontology, but its use might be in danger.
SciShow
News | Where Did Domesticated Horses Come From?
New information has helped us understand where domestic horses came from. And by counting some tree rings, researchers were able to find evidence of Norse presence in the Americas in 1021 CE.
SciShow
4 Ways to Date an Archaeological Site
From wasps nests to nuclear reactors. Here are just a few clever ways archeologists figure out how old something is.
SciShow
How Ancient Human Clues Ended Up in Rock
A lot of what we know about ancient human civilizations comes from the things they leave behind. But sometimes, humans don’t live in places long enough to leave these clues. So, some researchers have turned to techniques outside...
SciShow
News | Where Did Domesticated Horses Come From?
New information has helped us understand where domestic horses came from. And by counting some tree rings, researchers were able to find evidence of Norse presence in the Americas in 1021 CE.
SciShow
The Past, Present, and Future of Carbon Dating | Compilation
Carbon dating is a lot more than just getting the age of a dinosaur bone. We can learn a lot about the world through its use, and it turns out, we have.
SciShow
Why Carbon Dating Might Be in Danger
Carbon dating transformed fields like archeology and paleontology, but its use might be in danger.
SciShow
Saving the Elephants with Carbon Dating
The researchers have found that almost all the illegal ivories are from recent poaching. Meanwhile, humans are not only animals that are farsighted!
SciShow
Why Scientists Are Cooking Ancient Pots
Unlocking the mysteries of ancient ceramics is a bit complicated. Radiometric dating tells us the age of the clay, but when was it first shaped by a human? We can find out by blasting it with heat again!
SciShow
4 Ways to Date an Archaeological Site
From wasps nests to nuclear reactors. Here are just a few clever ways archeologists figure out how old something is.
Curated Video
Carbon dating
A scientific dating method widely used in archaeology to estimate the age of any organic material, such as wood, seeds, or animal remains. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning...
Curated Video
Forensics: Bog Bodies
A look at the ancient preserved bodies that forensic scientists can examine in order to gain a better understanding of our ancient past. Chemistry - Atoms And Bonding - Learning Points. Forensic scientists can help us understand our...
Science Buddies
Random Math Test Generator in Scratch
Write a program to generate random math problems and automatically grade them.
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 - 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...
Brian McLogan
Using Carbon dating to determine the age of a fossil
Using Carbon dating to determine the age of a fossil
Professor Dave Explains
Radiometric Dating: Carbon-14 and Uranium-238
When you read about the ages of certain ancient artifacts, or even the age of the earth itself, how do we know such numbers? How can we know that a fossil is precisely 250 million years old? The key technique here is radiometric dating....
Khan Academy
Carbon 14 Dating 1, Life on Earth and in the Universe, Cosmology and Astronomy
Sal introduces Carbon 14 in this chemistry video and explains to students how it is found in all living things. He also explains how carbon-14 is used to date items from the past. He points out that Carbon 14 can only enter a living...
PBS
Did Raptorex Really Exist?
Ancient fossils have many stories to tell. Scientists must use different strategies to read these remnants. A video lesson explains how archeologists use different strategies to date each specimen. The timeline of a fossil helps identify...
Be Smart
How Atom Bombs Can Uncover Forged Art
Art forgeries are works of art themselves? How can inspectors tell real art from fake? A video from the a large science playlist explores the techniques practiced by expert forgers and the subtle science behind telling a masterpiece from...
PBS
What Happened to the World's Greatest Ape?
Gigantopithecus was the greatest of the great apes! Whatever became of them? Take a journey to Asia and explore the forests and grasslands that were once home to the large primate using a video from an extentsive biology playlist....
PBS
The Last Time the Globe Warmed
Global warming ... greenhouse gases ... climate change ... sounds familiar, right? What about palm trees in Wyoming, or swimming in the sea near Antarctica? Science scholars discover the unbearable conditions Earth experienced during its...