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BrainStuff

BrainStuff Classics: Could a Plastic-Eating Enzyme Help Save the Planet?

BrainStuff

iHeartPodcasts

Science, Technology, Natural Sciences

3.91.7K Ratings

🗓️ 12 September 2021

⏱️ 4 minutes

🧾️ Download transcript

Summary

We humans produce a LOT of plastics that wind up as harmful waste, but researchers have isolated an enzyme that may help reduce the problem. Learn how in this classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/environmental/green-science/plastic-eating-enzyme-planets-new-hope.htm

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Transcript

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0:00.0

Welcome to Brain Stuff, a production of iHeart Radio.

0:04.3

Hi, Brain Stuff, I'm Lauren Vogelbaum, and today's episode is another classic from our

0:10.0

archives.

0:11.0

It's about the discovery, in 2016, of bacteria that can eat certain types of plastic, and

0:17.6

thus break it down, giving us hope that we may one day be able to make a dent in humanity's

0:22.7

plastic waste.

0:24.6

These bacteria are still being researched, scientists say we're unfortunately still years

0:29.3

away from being to put this discovery into practical use, but it's still a fascinating

0:34.6

discovery.

0:35.6

Hey, Brain Stuff, Lauren Vogelbaum here.

0:40.0

One of the amazing things about our universe is that nothing really goes to waste.

0:44.8

For instance, you, the incredible masterwork that you are, happened to be composed of

0:49.8

the trash that exploded out of a supernova.

0:53.2

In every nuking cranny of the cosmos, the universe is reorganizing and reusing.

0:58.4

It is the great recycler.

1:01.2

Our planet recycles everything, water, carbon, nutrients of all kinds.

1:06.1

So it stands to reason that we'd be really good at recycling stuff here on Earth.

1:11.4

But we humans are only so, so recyclers.

1:14.8

Take plastic.

1:15.8

We do a great job of digging up ancient deposits of carbon in order to make the stuff, which

1:21.0

is recycling, sort of.

1:23.2

But since the 1940s, we've manufactured mind-boggling amounts of a material that will likely

...

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