Instructional Video10:40
SciShow

4 Ways to Date an Archaeological Site

12th - Higher Ed
From wasps nests to nuclear reactors. Here are just a few clever ways archeologists figure out how old something is.
Instructional Video4:20
SciShow

The Ancient Footprints that Changed The Timeline of Human History

12th - Higher Ed
In the history of our species, we still don’t know exactly how and when early humans migrated across the world, but some ancient footprints might be helping us figure it out.
Instructional Video10:48
SciShow

4 Ways to Date an Archaeological Site

12th - Higher Ed
From wasps nests to nuclear reactors. Here are just a few clever ways archeologists figure out how old something is.
Instructional Video5:50
Professor Dave Explains

Methods of Dating the Earth Part 1: Relative Dating

12th - Higher Ed
We've learned about all the enormous time spans that describe the billions of years in Earth's history, but how did we arrive at these dates? How can we know the age of the Earth? Let's learn about some dating methods, starting with...
Instructional Video6:24
Be Smart

100,000,000 Years From Now

6th - 12th
Holocene, Pleistocene, Pliocene, Miocene, Oligocene, Eocene, Paleocene ... wait, did I miss one? PBS Digital Studios explains how human impact on Earth has potentially brought about a new epoch in geologic history, the Anthropocene....