Fake Paint Real Carbon, Vanishing Vikings, Sweeping Smarts

Curiosity Weekly

Warner Bros. Discovery

Self-improvement, Science, Astronomy, Education

4.6 • 935 Ratings

🗓️ 7 September 2022

⏱️ 11 minutes

🔗️ Recording | iTunes | RSS

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Summary

Tune in to understand how new tech to find fake paintings, the mysterious reason a viking colony collapsed, and how doing chores might make kids smarter!

Goodbye forgaries.

Police Rely on Radiocarbon Dating to Identify Forged Paintings by Carolyn Wilke
- https://www.nature.com/articles/d41586-022-00582-w
Detecting Recent Forgeries of Impressionist and Pointillist Paintings with High-Precision Radiocarbon Dating by Lucille Beck, et al.
- https://doi.org/10.1016/j.forsciint.2022.111214
Discovering Forgeries of Modern Art by the 14C Bomb Peak by L. Caforio, et al.
- https://doi.org/10.1140/epjp/i2014-14006-6
Uncovering Modern Paint Forgeries by Radiocarbon Dating by Laura Hendricks, et al.
- https://www.pnas.org/doi/full/10.1073/pnas.1901540116

Water: the life force.

Greenland’s Vikings May Have Vanished Because They Ran Out of Water by Colin Barras
- https://www.science.org/content/article/greenland-s-vikings-may-have-vanished-because-they-ran-out-water
Prolonged Drying Trend Coincident with the Demise of Norse Settlement in Southern Greenland by Boyang Zhao, et al.
- https://doi.org/10.1126/sciadv.abm4346
Development of an In Situ Branched GDGT Calibration in Lake 578, Southern Greenland by Boyang Zhao, et al.
- https://doi.org/10.1016/j.orggeochem.2020.104168
Why Did Greenland’s Vikings Vanish? by Tim Folger
- https://www.smithsonianmag.com/history/why-greenland-vikings-vanished-180962119/
Glacier Maxima in Baffin Bay During the Medieval Warm Period Coeval with Norse Settlement by Nicolás E. Young, et al.
- https://doi.org/10.1126/sciadv.1500806
What Happened to the Viking Settlement of Greenland? New Research Shows Cooling Weather Not a Factor by Magnús Sveinn Helgason
- https://icelandmag.is/article/what-happened-viking-settlement-greenland-new-research-shows-cooling-weather-not-a-factor

Chores for thinking.

“Children's chores improve brain function” by La Trobe University
- https://www.latrobe.edu.au/news/articles/2022/release/childrens-chores-improve-brain-function
“Executive functions and household chores: Does engagement in chores predict children's cognition?” by Deanna L Tepper, Tiffani J Howell, and Pauleen C Bennett
- https://pubmed.ncbi.nlm.nih.gov/35640882/

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Transcript

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0:00.0	Hi, you're about to get smarter in just a few minutes with Curiosity Daily from Discovery.
0:08.5	Time flies when you're learning super cool stuff.
0:11.0	I'm Nate.
0:12.0	And I'm Callie. If you're dropping in for the first time welcome to curiosity
0:15.2	where we aim to blow your mind by helping you to grow your mind. If you're a loyal
0:18.2	listener welcome back. Today you'll learn about new tech to find fake paintings, the mysterious reason a Viking colony collapsed, and how doing chores might make kids smarter.
0:29.6	Without further ado, let's satisfy some curiosity.
0:33.0	All right, did you know that art crime isn't just in movies?
0:36.0	Forgery is a serious issue in the art world.
0:39.0	Some estimates say nearly half of all art on the market is forged or has an incorrect history.
0:43.6	Gasp!
0:45.6	And the problem is only getting worse.
0:48.6	The efforts to copy famous works are getting more and more elaborate.
0:52.3	Thankfully, the authentication systems are getting equally as elaborate,
0:55.6	and the newest one might surprise you.
0:57.4	It's carbon.
0:58.8	I've always wondered how art forgeries are sussed out.
1:02.3	You'd think repainting a painting wouldn't look right, but some of the forgers are really talented artists in their own right.
1:08.5	And the primary way to discover a forgery is through image analysis and x-rays. These tell us if a forgery is
1:14.3	painted on top of another painting, but even these techniques are only moderately
1:18.4	successful. But the newest innovation in detection technology is showing
1:22.3	real promise, radio carbon dating.
	...

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