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Curiosity Weekly

What If You Stopped Showering (w/ James Hamblin) and Are Some Trees Immortal?

Curiosity Weekly

Warner Bros. Discovery

Science

4.6964 Ratings

🗓️ 25 August 2020

⏱️ 12 minutes

🧾️ Download transcript

Summary

Physician James Hamblin, staff writer for The Atlantic, explains what would happen if you stopped showering — and other fun facts from the emerging science of the skin microbiome. Plus: are some trees really immortal?

Are some trees immortal? A new study says no by Grant Currin

Additional resources from James Hamblin: board-certified preventive medicine physician, staff writer at The Atlantic, and lecturer in public health policy at Yale University

Subscribe to Curiosity Daily to learn something new every day with Cody Gough and Ashley Hamer. You can also listen to our podcast as part of your Alexa Flash Briefing; Amazon smart speakers users, click/tap “enable” here: https://www.amazon.com/Curiosity-com-Curiosity-Daily-from/dp/B07CP17DJY

 

Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/what-if-you-stopped-showering-w-james-hamblin-and-are-some-trees-immortal


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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

0:05.0

Curiosity.com. I'm Cody Goff and I'm Ashley Hamer. Today you learn about

0:09.3

whether some trees really are immortal. Then we'll talk to physician James Hamlet to learn what would happen if you stop showering.

0:17.0

And other fun facts from the emerging science of the skin microbiome.

0:21.0

Let's satisfy some curiosity.

0:23.0

I've got some news.

0:25.0

Are you ready?

0:27.0

Trees are not.

0:29.0

A mortal.

0:30.0

I know, kind of a letdown, but stay with me scientists weren't sure whether trees actually age like you or I do and now a new paper is shedding some light on the question.

0:43.9

Now most people know that Earth is home to some very old trees.

0:47.7

So it wasn't too hard to believe a study about tree lifespans that came out earlier this year.

0:54.0

There the researchers analyzed the genes of 600-year-old ginko trees

0:59.0

and found that they were thriving with the vigor of trees

1:02.2

that were just 20 years old.

1:05.0

600 years old, 20 years old.

1:07.4

Wow, that is a fascinating study.

1:10.5

But it led to some news outlets getting a little carried away with the headlines

1:14.5

Stuff like why the ginkobeloba tree is basically immortal

1:18.8

So another researcher published a paper later in the year arguing that sorry trees are very much

1:25.4

mortal but they age so slowly that it's hard for humans to notice I mean old trees

1:32.2

are old. The most senior lived to be about 5,000 years old. That

...

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