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Posts by Rachel Fox

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Screening, sorting, and the feedback cycles that imperil peer review The process of peer review is vital to contemporary science, but is also under enormous strain. This study uses mathematical models to dissect the threats to the long-term viability of peer review, su...

1. Kevin Gross and I have a new paper out today PLOS Biology.

We used economic models based around screening games and the market for unpaid labor to highlight a meltdown cycle threatening peer review.

1 month ago 324 132 8 17
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Why do some individuals defy their polygenic score?

In the largest study of its kind (402k UKB individuals; 7 continuous traits + 3 diseases), we asked: If your phenotype deviates from common-variant polygenic score prediction, what's driving that difference?

www.medrxiv.org/content/10.6...

3 months ago 48 26 2 3

The first (of hopefully many) reports to come from our collaboration with @hjp.bsky.social

We present a new type of cell fitness assay that allows you to both quantify and explain differences across human donors in cell proliferation and sensitivity to environmental toxicants.

6 months ago 17 7 1 0
A bar plot of the 10 ten cities with roundabouts. The top 3 are Auckland (NZ), Carmel Indiana (US), and Gothenburg (SWE).

A bar plot of the 10 ten cities with roundabouts. The top 3 are Auckland (NZ), Carmel Indiana (US), and Gothenburg (SWE).

It's been a long while since I've done a #tidytuesday - did a quick bar plot of the top 10 cities with roundabouts.

I used #databot and went pretty fast. I spent about 10 minutes getting the data to this point. Mind is blown. #rstats #databs #datascience

3 months ago 15 2 2 1

As Trump tries to use the tragic story of the Brown shooter and his victims to further vilify immigrants, remember that MIT professor and innovator Nuno Loureiro followed the same path here

4 months ago 26 7 0 0

Merriam-Webster’s human editors have chosen ‘slop’ as the 2025 Word of the Year.

4 months ago 23998 7260 360 937

Super excited to get this out. This collab started a few years ago and is the first paper from it. Here, with experimental and computational approaches we:

1. establish that cell villages can be just as accurate (one might argue more accurate!) than arrayed-based designs

bsky.app/profile/bior...

6 months ago 40 21 2 0
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A Pill to Heal the Brain Could Revolutionize Neuroscience

This is a lovely article that showcases some of the outstanding work that my UCLA colleagues Tom Carmichael and Alcino Silva and their trainees have done over the past few years seeking to leverage intrinsic repair pathways. www.nytimes.com/2025/09/04/s...

7 months ago 9 4 1 1

Perhaps gauche to quote your own book, but I think CROSSINGS's section on the Roadless Rule gets at something fundamental: that to designate places as roadless is to assert that our national forests have value—for wildlife, for water, for slow recreation—beyond mere timber extraction. #roadecology

9 months ago 45 16 2 2

Me three months ago:

8 months ago 16478 3752 435 110

Hundreds of millions of dollars suspended for cancer, diabetes, and Alzheimer's research (among many, many other equally important diseases and endeavors) and for what? What is the point of all of this? Help me understand how this makes our country better, stronger, and healthier in any way.

8 months ago 76 27 6 0
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Enhancer adoption by an LTR retrotransposon generates viral-like particles, causing developmental limb phenotypes - Nature Genetics Activation of an LTR retrotransposon inserted upstream of the Fgf8 gene produces viral-like particles in the mouse developing limb, triggering apoptosis and causing limb malformation. This phenotype c...

Finally out! 🥳 Our paper showing how a transposable element (TE) insertion can cause developmental phenotypes is now published @natgenet.nature.com 🧬🦠🐁
Below is a brief description of the major findings. Check the full version of the paper for more details: www.nature.com/articles/s41588-025-02248-5

9 months ago 294 127 15 10
Post: being recommended to stop using em dashes because ChatGPT uses them a lot. 

Image of two guys, one saying: no way. Should I change? He’s the one who sucks.

Post: being recommended to stop using em dashes because ChatGPT uses them a lot. Image of two guys, one saying: no way. Should I change? He’s the one who sucks.

exactly

9 months ago 1026 312 10 21

Dear Science Journalists,

Please mention when your write-ups covers work that was funded by federal agencies that are now being dismantled, defunded, and censored.

The public needs to know what is being lost, and if you don't tell them in the context of Cool New Science, who will?

9 months ago 235 95 1 1
Anadromous threespine stickleback fish in a person’s hand.

Anadromous threespine stickleback fish in a person’s hand.

Freshwater and gravid female threespine stickleback in a person’s hand.

Freshwater and gravid female threespine stickleback in a person’s hand.

Freshwater reproductive male threespine stickleback in a person’s hand above a table with a bucket and fish net on it.

Freshwater reproductive male threespine stickleback in a person’s hand above a table with a bucket and fish net on it.

More fun teaching kids about fish today. Today we had anadromous and freshwater threespine stickleback to show off. The kids were surprised to learn that all the fish were fully mature adult fish and that the freshwater stickleback were in fact not the anadromous stickleback’s babies. #stickleback

11 months ago 32 7 3 1
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A graphic for the latest LA Podcast episode, The LA Shitty Budget, with an image of LA Mayor Karen Bass giving her state of the city address to the council

A graphic for the latest LA Podcast episode, The LA Shitty Budget, with an image of LA Mayor Karen Bass giving her state of the city address to the council

How bad is this year's budget? You can hear us discuss on the latest LA Podcast: thelapod.com/episode/the-la-shitty-budget

But you don't have to take our word for it. City department after city department have sent scathing letters to the budget committee begging council not to make these cuts 🧵

11 months ago 59 19 1 4

@genandgenes.bsky.social makes a powerful case for anti-racist genetics education in secondary school and university, and at the risk of climbing onto a well-worn pedestal, I'd argue this moment, more than any other, calls for a rethinking of how we approach doctoral education in genetics

11 months ago 19 8 1 1
concentration camp, internment centre for political prisoners and members of national or minority groups who are confined for reasons of state security, exploitation, or punishment, usually by executive decree or military order. Persons are placed in such camps often on the basis of identification with a particular ethnic or political group rather than as individuals and without benefit either of indictment or fair trial. Concentration camps are to be distinguished from prisons interning persons lawfully convicted of civil crimes and from prisoner-of-war camps in which captured military personnel are held under the laws of war.

concentration camp, internment centre for political prisoners and members of national or minority groups who are confined for reasons of state security, exploitation, or punishment, usually by executive decree or military order. Persons are placed in such camps often on the basis of identification with a particular ethnic or political group rather than as individuals and without benefit either of indictment or fair trial. Concentration camps are to be distinguished from prisons interning persons lawfully convicted of civil crimes and from prisoner-of-war camps in which captured military personnel are held under the laws of war.

Amidst all of the horrors of the Trump administration, one stands above the rest: the trafficking of 270 men to El Salvador's CECOT prison.

Here is the definition of concentration camp from the Encyclopedia Britannica.

1 year ago 947 294 14 14
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From the USCIS community on Reddit Explore this post and more from the USCIS community

There’s a big thread of baffled people on Reddit trying to figure out what the emails mean or if they’re real. They include:

- Citizens
- Canadians (living in Canada)
- Green card holders
- DACA recipients

Whatever dataset DOGE used was the wrong one. www.reddit.com/r/USCIS/comm...

1 year ago 1965 565 41 33

Unless I've missed it, I don't believe we have computational models that would accurately predict how a *bacterium* would respond to a novel compound. Just, you know, for context.

1 year ago 77 25 5 0

Very well visited by me, a Reedie 😊

1 year ago 1 0 0 0

it's been years upon years of labored "campus culture" op-eds from salaried writers hectoring students about free speech, and now the state is kidnapping students for their speech in broad daylight

1 year ago 7939 2467 44 44

🥚🥚🥚🥚🥬🥬

1 year ago 0 0 0 0

I’ll fall for any charming emoji/ascii account

1 year ago 0 0 1 0
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🌽🌽🥬🥕

1 year ago 0 0 1 0
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New: Energy use shapes brain organization and development. We use gene expression maps from the @alleninstitute.bsky.social Human Brain Atlas to map the main energy metabolism pathways in the brain. Led by @moohebatpe.bsky.social @misicbata.bsky.social @goliashf.bsky.social and Justine Hansen 🧵

1 year ago 45 20 2 1
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Eric Green is out as head of National Human Genome Research Institute The longtime director of the National Human Genome Research Institute is stepping down, as the larger NIH braces for more changes.

Still processing what this means. www.statnews.com/2025/03/17/t...

1 year ago 59 36 8 7

enacting fascism because you're afraid of an imaginary computer is the most Loser shit ever conceived. did you know you can go ride bikes or something

1 year ago 1772 210 15 8
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There are days in life that shake you.

I’m shattered 💔 to share that I just found out that the US Government terminated my 2024 NIH Director’s Early Independence Award (~$2 million), threatening my long-promised assistant professor job at Columbia University
& academic career... 1/🧵

1 year ago 1996 827 93 91

I was thrilled to learn that Pi Day was a Reedie invention! Also, the Exploratorium was/is one of my favorite places ever, having introduced me to the amazing mix of science and art!

1 year ago 1 0 0 0