See how uranium-thorium dating of artifacts is used to determine when humans arrived in North America

Name: See how uranium-thorium dating of artifacts is used to determine when humans arrived in North America
Uploaded: 2020-02-24T08:00:00
Duration: 1 min 10 s
Description: Learn about a controversial 2017 study that used thorium/uranium dating of broken mastodon bones to argue that a prehistoric human species, such as Neanderthals, lived in North America some 130,000 years ago.

Learn about a controversial 2017 study that used thorium/uranium dating of broken mastodon bones to argue that a prehistoric human species, such as Neanderthals, lived in North America some 130,000 years ago.

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