SoT 335: Parmesan Not Brie
Channel: Science on Top
Date: 04/07/2019

SoT 335: Parmesan Not Brie
https://scienceontop.com/335

Winemaking in France dates back more than 12,000 years. But new research looking at the DNA of ancient grapes has found one particular variety that's remained unchanged for over 900 years.
The largest crater in the solar system, the South Pole-Aitken basin, is on the far side of the moon. And astronomers have found an unexpected very dense mass there, deep below the surface.
Positron Emission Tomography - better known as PET scans - show levels of chemical activity in the body and are useful, for example, for detecting cancer cells. Now new modified PET scanners have been demonstrated that drastically speed the process up and reduced the amount of radiation used.

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This episode contains traces of a BBC News report and surprise guest on stage at Glastonbury Festival 2019.

https://scienceontop.com/335

Chapters:
00:01:05 A Medieval Grape Is Still Used to Make Wine https://www.theatlantic.com/science/archive/2019/06/grape-clone-wine-900-year-old/591181/
00:09:39 That Explains a Lot. The Moon’s Largest Crater has a Chunk of Metal Embedded in it That’s 5 Times Bigger than the Big Island of Hawaii https://www.universetoday.com/142481/that-explains-a-lot-the-moons-largest-crater-has-a-chunk-of-metal-embedded-in-it-thats-5-times-bigger-than-the-big-island-of-hawaii/
00:19:34 Whole-body PET scanner produces 3D images in seconds https://www.nature.com/articles/d41586-019-01833-z