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Rosie Mestel

@rosiemestel

Executive editor of Knowable Magazine, Los Angelino, expat Brit, servant to Nutmeg the cat. Science, plants, art, music.

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03.08.2023
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Latest posts by Rosie Mestel @rosiemestel

I was goofing off at work one Friday afternoon when my doctor called to tell me my left kidney had gone missing.

06.03.2026 00:57 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

It's almost slime mold Saturday! Here's an advance viewing. Story by @timvernimmen.bsky.social for us folks at @knowablemag.bsky.social --and also for you! πŸ§ͺ

13.02.2026 22:03 πŸ‘ 21 πŸ” 7 πŸ’¬ 1 πŸ“Œ 0

A very good, and sobering, story by @janeqiu.bsky.social about the infectious disease risks posed by fur farming. πŸ§ͺ Thank you Jane!

09.02.2026 23:38 πŸ‘ 15 πŸ” 5 πŸ’¬ 0 πŸ“Œ 0
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Meet the mysterious electrides These chemical oddities may explain why Earth seems to be deficient in certain elements β€” and could prove useful in catalysts and more

Electrides are mighty weird materials. I enjoyed getting to know them a bit. So might you! And your friends! By Rachel Brazil for @knowablemag.bsky.social knowablemagazine.org/content/arti...

29.01.2026 16:15 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Microbial Olympics: Super-duper one-celled athletes They race, they leap, they spin, they shoot. Meet the organisms for whom physical prowess is more than sport β€” it’s a matter of life and death.

The Winter Olympics are coming - well, here from @knowablemag.bsky.social are results from the teeny-tiny Olympic Games of the microbial world! Art by @makinaro.com and prose by Amber Dance. πŸ§ͺhttps://knowablemagazine.org/content/article/living-world/2026/welcome-to-the-microbial-olympic-games

22.01.2026 22:36 πŸ‘ 6 πŸ” 5 πŸ’¬ 0 πŸ“Œ 0

Agree, this was a great piece by Katya about Aedes aegypti mosquitoes and the scourges they transmit. Thanks to Louis Lambrechts and the other interviewees!

20.01.2026 19:53 πŸ‘ 4 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
The Pernicious Infections Infiltrating Ukraine’s Front Lines

The Pernicious Infections Infiltrating Ukraine’s Front Lines

For her 2025 #PulitzerStaffPicks, Alexandra Waddell, Digital Content Coordinator & Research Assistant at the Pulitzer Center, selected "The Pernicious Infections Infiltrating Ukraine’s Front Lines," by @richardastone.bsky.social for @knowablemag.bsky.social.

πŸ‘‰ bit.ly/YIStories25

19.12.2025 22:16 πŸ‘ 9 πŸ” 9 πŸ’¬ 1 πŸ“Œ 2

I love this

22.12.2025 18:35 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

So happy to hear that! I think Amber and Maki did an amazing job.. thank you for reading!

22.12.2025 18:04 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Gotta love bats!

11.12.2025 00:13 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Journey to the egg: How sperm navigate the path to fertilization COMIC: Male cells must survive twisty passages, strong currents and immune attacks; millions enter, but only one can finish

A fun comic by Amber Dance and @makinaro.com --about the physiology of the long journey of the sperm to the egg, with plenty of hat tips to #LOTR --we at @knowablemag.bsky.social are glad to publish it! πŸ§ͺPlease share around! knowablemagazine.org/content/arti...

09.12.2025 22:47 πŸ‘ 20 πŸ” 6 πŸ’¬ 0 πŸ“Œ 2

Nice one!

22.11.2025 03:15 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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One of CDC’s final blows. And what it means for you. Where to find trusted health information now?

"At this time, I suggest the general public avoid the CDC website." --epidemiologist @kkjetelina.bsky.social open.substack.com/pub/yourloca...

21.11.2025 15:22 πŸ‘ 162 πŸ” 73 πŸ’¬ 2 πŸ“Œ 6
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Achieving lasting remission for HIV People infected with HIV must take antiretroviral drugs for life. But promising trials using engineered antibodies suggest that β€˜functional cures’ may be in reach.

It was a pleasure to work with writer Andrea Teagle on this @knowablemag.bsky.social article about progress toward a functional cure for HIV. πŸ§ͺhttps://knowablemagazine.org/content/article/health-disease/2025/lasting-remission-hiv-with-broadly-neutralizing-antibodies

20.11.2025 19:00 πŸ‘ 14 πŸ” 3 πŸ’¬ 1 πŸ“Œ 0

have followed! thank you for the heads-up, Knowable Magazine

19.11.2025 23:09 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Who knew that whales blasted snot through their blowholes, or that drones could collect the viscous fluid and teach us so much about whales in the process? Written by @gennarotomma.bsky.social for us at @knowablemag.bsky.social -- and a very fine story it is πŸ§ͺ

12.11.2025 18:18 πŸ‘ 16 πŸ” 6 πŸ’¬ 2 πŸ“Œ 0
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Flying with whales: Drones are remaking marine mammal research From collecting whale snot to capturing surprising behaviors, aerial drones are giving scientists a new view of life at sea

Here's your Wednesday whale snot story knowablemagazine.org/content/arti...

12.11.2025 18:03 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 1

Haha!

12.11.2025 14:33 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Tough call

12.11.2025 14:22 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
polar explorer in full fur suit

polar explorer in full fur suit

very fluffy squirrel

very fluffy squirrel

who wore it better, Roald Amundsen or the Squirrel of the Day?

12.11.2025 14:21 πŸ‘ 73 πŸ” 17 πŸ’¬ 4 πŸ“Œ 0

Beautiful! I hear those birds in my backyard... They're in LA now.

10.11.2025 22:28 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Raising a glass for you from afar!

05.11.2025 05:48 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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How a humble weed became a superstar of biology Arabidopsis thaliana was always an unlikely candidate for the limelight. But 25 years ago, the diminutive thale cress launched the botanical world into the molecular era.

What a fun fun article by the (great great) @rachelscience.bsky.social about the rise and scientific legacy of the diminutive weed Arabidopsis thaliana, for @knowablemag.bsky.social.
I'm very partial to the art too, by Shaw Nielsen. Please read, enjoy, share knowablemagazine.org/content/arti... πŸ§ͺ

04.11.2025 19:05 πŸ‘ 9 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

thanks, Ingenta!

03.11.2025 21:01 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Betting on bats for genetic treasures Bat genomes are full of clever tricks that are treats for biology and medical science β€” it’s why scientists want to sequence them all

knowablemagazine.org/content/arti...

31.10.2025 17:46 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Fun facts about bones: More than just scaffolding A new vision of the skeleton as a dynamic organ that sends and receives messages suggests potential therapies for osteoporosis and other problems

knowablemagazine.org/content/arti...

31.10.2025 17:46 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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Out for blood in the search to stall aging A gaggle of biotech start-ups are trying vastly different approaches to spin animal studies into the next big anti-aging therapy. It’s too early to know which, if any, will succeed.

knowablemagazine.org/content/arti...

31.10.2025 17:46 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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She sees dead bodies An environmental historian looks at how Americans treat corpses and what it means

knowablemagazine.org/content/arti...

31.10.2025 17:46 πŸ‘ 3 πŸ” 3 πŸ’¬ 1 πŸ“Œ 0
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She ain’t scary, she’s my mother Elaborate courtship, devoted parenthood, gregarious nature (and occasional cannibalism) β€” earwigs have a lot going for them

knowablemagazine.org/content/arti...

31.10.2025 17:46 πŸ‘ 3 πŸ” 3 πŸ’¬ 1 πŸ“Œ 0
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The caterpillars that can kill you Some species make venoms that are deadly. With more research, those toxic compounds could yield useful medicines.

knowablemagazine.org/content/arti...

31.10.2025 17:46 πŸ‘ 3 πŸ” 2 πŸ’¬ 1 πŸ“Œ 0