Best Science Books Of 2021, Glitter Bad For Environment. December 31, 2021, Part 1
Science Friday31 Dec 2021

Best Science Books Of 2021, Glitter Bad For Environment. December 31, 2021, Part 1

Glitter Gets An Eco-Friendly Glimmer

Glitter—it’s everywhere this time of year. You open up a holiday card, and out comes a sprinkle of it. And that glitter will seemingly be with you forever, hugging your sweater, covering the floor. But glitter doesn’t stop there. It washes down the drain, and travels into the sewage system and waterways. Since it's made from microplastics, it’s never going away.

As it turns out, all that glitters is not gold—or even biodegradable.

But what if you could make glitter that was biodegradable? Silivia Vignolini, professor of chemistry at the University of Cambridge joins Ira to discuss her latest discovery—eco-glitter made from plant cellulose.

The Best Science Books Of 2021

Another year is in the books. And whether you got out more this year or continued precautionary staying at home, we hope you at least got some good reading done.

If not, you still have a whole winter ahead, and SciFri has rounded up another batch of the year’s best books. On this year’s list, you’ll find enthralling tales of the deep ocean, a fun primer on how the immune system works, and a cosmologist’s view of how science can do better by those it’s excluded.

Ira Flatow rounds up more than a dozen favorite titles, with help from editors Valerie Thompson, of Science, and Stephanie Sendaula, of Library Journal.

Check out the list at sciencefriday.com.

Subscribe to this podcast. Follow our show on Instagram, TikTok, Facebook, and Bluesky @scifri and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374


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Making a case for physicists to join climate research

Making a case for physicists to join climate research

When you think of physics, your mind might go to forces—like gravity, friction, and magnetism—or to astrophysics, like galaxies and exoplanets. But many of the same principles used to understand how t...

20 Aug 12min

Creating 'world models' for robots + An AI math shakeup

Creating 'world models' for robots + An AI math shakeup

When you ask an LLM like ChatGPT or Claude a question, the model goes through its massive amount of training data and guesses the answer by mathematically predicting the word most likely to appear nex...

19 Aug 17min

What can moments of lucidity teach us about Alzheimer’s?

What can moments of lucidity teach us about Alzheimer’s?

Watching a loved one with Alzheimer's or dementia slowly lose their cognitive abilities can be heartbreaking. While the person you once knew seems to be slipping away, sometimes people with Alzheimer'...

18 Aug 17min

Colorado’s snow drought deals a major blow to recreation

Colorado’s snow drought deals a major blow to recreation

Winter in Colorado looked very different this year. Many parts of the state experienced record-high temperatures and record-low snowpack, which had downstream effects on farming, sports, tourism, and ...

17 Aug 11min

How do you find a ‘lost’ species?

How do you find a ‘lost’ species?

The earth is facing a biodiversity crisis, and there’s a lot of attention on species that are threatened, or at risk of dying out completely. But, there’s another critter category that’s a little more...

14 Aug 18min

What we get wrong about vaccine hesitancy

What we get wrong about vaccine hesitancy

President Trump has signed an executive order calling for a change to the childhood vaccination schedule. Specifically, he wants to separate the MMR vaccine, which protects against measles, mumps, and...

13 Aug 12min

Why this lab studies the speed of bug pee and other curiosities

Why this lab studies the speed of bug pee and other curiosities

In a lab in the Rocky Mountains, a group of scientists is hard at work trying to find answers across biology, physics, and engineering: They’re looking into things like the hydrodynamics of insect pee...

12 Aug 18min

Some primates undergo even more extreme childbirth than humans

Some primates undergo even more extreme childbirth than humans

Human childbirth is often difficult and incredibly painful—just ask anyone who’s been through it. And for a long time, childbirth seemed to be uniquely difficult for humans. But a new study suggests t...

11 Aug 11min

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