SciShow
Why Carbon Dating Might Be in Danger
Carbon dating transformed fields like archeology and paleontology, but its use might be in danger.
SciShow
Why Carbon Dating Might Be in Danger
Carbon dating transformed fields like archeology and paleontology, but its use might be in danger.
Curated Video
Compare Populations Using Median
In this video, students are taught to read and interpret dot and line plots, and use them to estimate the median of each population. By comparing the medians, students can make inferences about the data and draw conclusions about which...
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.
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....
Curated Video
How Do Paleontologists Date Fossils? | Secrets of the Underground
Secrets of the Underground | Tuesdays at 10/9c First, scientists like to date the rock in which the fossil is on. Radiometric dating is a technique used to date materials such as rocks or carbon. Full Episodes Streaming FREE on Science...
Schooling Online
Chemistry Properties and Structure of Matter: Properties of Matter - Gravimetric Analysis Part 2
Long Jane Silver and Senor Ortega analysed the soil sample and saved the cocoa trees! But something’s not right… Did they perform the wrong steps? Was their sample contaminated? This lesson will assess the accuracy, reliability and...
Learn German with Herr Antrim
German Family Vocabulary
In this lesson, I introduce you to a bunch of vocabulary for family members in German. Then I use that vocabulary in various example sentences talking about the family. By the end of this lesson, you will be able to create your own...
The Wall Street Journal
Duke Energy's CEO on the Energy Transition and the War in Ukraine
Lynn Good discusses the challenges of rising gas prices, the company's efforts to reducing its reliance on fossil fuels and the technologies of the future.
Curated Video
Uncovering Forests Beneath Antarctica's Ice
The discovery of fossilized trees and other plant remains in Antarctica, dating back over 260 million years, has forced scientists to reconsider the continent's history. These findings suggest that the region, now known for being the...
SciShow
Doggerland: A Real-Life Atlantis
Though we probably won’t find a literal Atlantis beneath the sea, that doesn’t mean that a human settlement hasn’t ever been lost to the water. Meet Doggerland.
Curated Video
Understanding the Role of Kidneys in Maintaining Water and Mineral Balance
This video provides an overview of the function of the kidneys in the human body. It describes how the kidneys work to maintain the balance of water and mineral ions in the body, and how they remove waste products from the blood through...
Let's Tute
Introduction to Journal Entries in Accounting
In this video, the teacher explains the concept of a journal in the accounting cycle. They discuss the purpose and importance of a journal, and demonstrate how to record transactions in a journal using examples. The video also introduces...
Curated Video
How To Switch Your City To 100% Renewable Energy | One Small Step | NowThis
More than 90 cities across the United States have committed to run on 100% renewable energy, but how does a city go 100% renewable? Find out on this episode of One Small Step. » Subscribe to NowThis Future:...
Big Think
The History of Life on Earth in Three Minutes
Happy New Year, planet Earth! According to the Anno Domini designation, the year is now 2014. But the Earth has been around a lot longer than that - about 4.567 billion years. The first evidence of life dates back to around 3.8 billion...
Bozeman Science
Radiocarbon Dating
Radiocarbon dating is only effective in dating objects that are less than 50,000 years old. In the video, scholars learn how Carbon-14 differs from Carbon-12 and Carbon-13. The instructor then explains how Carbon-14 is made and how it...
Curated OER
Radiocarbon Dating
Mr. Anderson explains how scientists are able to date ancient objects using radiocarbon dating. He describes carbon 14, what it is, and how it can be used to date an object. This lecture provides a very clear explanation of a slightly...
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...
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...
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....
Crash Course
Plant Cells
Why can't plants escape prison? Because their cells were surrounded by walls. Introduce viewers to the evolution of plants with a video that discusses the differences between prokaryotic and eukaryotic cells, plant cells' organelles, and...