Dating Fossils Again

It’s time to look at fossil dating again!  The last episode mentioned two dating methods used to estimate how old the Homo Naledi bones found the Rising Star cave system might be. To do so, researchers used a Uranium-thorium method as well as electron spin resonance, or “ESR”.  Let’s take a brief look at what each of these entail.

Previous Episode on Dating: Fossil Dating

Guest voice: Christopher Gronlund (Not About Lumberjacks)

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Citations

FutureLearn. “Electron Spin Resonance (ESR) Dating Method.” FutureLearn, 13 Aug. 2020, www.futurelearn.com/info/courses/human-fossils/0/steps/49022.

—. “Uranium-Series (U-Series) Dating Method.” FutureLearn, 13 Aug. 2020, www.futurelearn.com/info/courses/human-fossils/0/steps/49021

“WHAT IS URANIUM-THORIUM DATING?” Mail Online, 22 Feb. 2018, www.dailymail.co.uk/sciencetech/fb-5423613/WHAT-URANIUM-THORIUM-DATING.html.

Wikipedia contributors. “Uranium–Thorium Dating.” Wikipedia, 19 Apr. 2020, en.wikipedia.org/wiki/Uranium%E2%80%93thorium_dating.

Music in this Episode Genetic Engineering & Biotechnology news

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