Tim Frasier
@tfrasierdna.bsky.social
๐ค 66
๐ฅ 68
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Population genetics, conservation genetics, whales, teaching, cycling frasierlab.ca
reposted by
Tim Frasier
Colin Garroway
6 days ago
โช
@eveliendegreef.bsky.social
's latest is out in the
@asn-amnat.bsky.social
feature exploring the challenges of genetic forecasting๐ "Identifying Areas of Potential Risk Based on Future Genetic Adaptability in Three Arctic Whale Species"
doi.org/10.1086/738889
๐งช๐๐งฌ๐
#consgen
#popgen
#evobio
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Tim Frasier
Alfie Kohn
27 days ago
"I arise in the morning torn between a desire to improve (or save) the world and a desire to enjoy (or savor) the world. This makes it hard to plan the day." -E.B. White
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Tim Frasier
Olivier Gimenez ๐ฆฆ
29 days ago
๐ New book out soon ! Iโm excited to share that ๐๐๐ฒ๐๐ฌ๐ข๐๐ง ๐๐ง๐๐ฅ๐ฒ๐ฌ๐ข๐ฌ ๐จ๐ ๐๐๐ฉ๐ญ๐ฎ๐ซ๐-๐๐๐๐๐ฉ๐ญ๐ฎ๐ซ๐ ๐๐๐ญ๐ ๐ฐ๐ข๐ญ๐ก ๐๐ข๐๐๐๐ง ๐๐๐ซ๐ค๐จ๐ฏ ๐๐จ๐๐๐ฅ๐ฌ: ๐๐ก๐๐จ๐ซ๐ฒ ๐๐ง๐ ๐๐๐ฌ๐ ๐๐ญ๐ฎ๐๐ข๐๐ฌ ๐ข๐ง ๐ ๐๐ง๐ ๐๐๐๐๐๐ is being published by Chapman & Hall / CRC Press Hope itโs useful to students, researchers, and practitioners
#StatisticalEcology
#NIMBLE
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Tim Frasier
Alfie Kohn
about 1 month ago
A must-read, particularly for college instructors - not just as a solution to the conundrum of students using AI to do their assignments but as an example of successful student-centered learning and decision-making vs. traditional classrooms in which teachers just lay down the law:
is.gd/4Gf1Yp
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Page by C. Thi Nguyen | @add-hawk.bsky.social
Last term I tried an experiment: I walked into my Tech and Design Ethics class, admitted that I had *no idea* what to do about ChatGPT - so I would let them figure it out. As in: their first project ...
https://skywriter.blue/pages/did:plc:qrqismv65fv5zfkw6mrkelf3/post/3md2e2v2wxs23
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Excited to announce a second paper that was also just published in Marine Mammal Science: this one on trace element levels in long-finned pilot whales.
doi.org/10.1111/mms....
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Trace Elements in Biopsied Skin and Blubber From Living LongโFinned Pilot Whales (Globicephala melas) in Cape Breton, Nova Scotia
Click on the article title to read more.
https://doi.org/10.1111/mms.70124
about 1 month ago
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Very happy to announce a paper that just came out in Marine Mammal Science: on the use of pedigree-informed abundance estimation in North Atlantic right whales.
doi.org/10.1111/mms....
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PedigreeโInformed Abundance Estimation for the Endangered North Atlantic Right Whale (Eubalaena glacialis) via Gametic MarkโRecapture
Pedigrees can provide important data for abundance estimation by providing a means to infer the presence of individuals that might otherwise not be detected. Such information may be particularly impo...
https://doi.org/10.1111/mms.70122
about 1 month ago
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Tim Frasier
Hadley Wickham
about 2 months ago
Thanks to claude code, I wrote my first iphone app:
apps.apple.com/us/app/time-...
It's what I have always wanted for a talk timer (as both a speaker and a chair). It's very minimal, designed to be read from across the room, and make it clear when you're running out of time.
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Time Will Tell App - App Store
Download Time Will Tell by Hadley Wickham on the App Store. See screenshots, ratings and reviews, user tips, and more games like Time Will Tell.
https://apps.apple.com/us/app/time-will-tell/id6757646042
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New postdoc position in Seattle! 'We are looking to fill a position at NWFSC/UW for a postdoctoral research associate with an immediate start date, applying eDNA approaches to gain insight into the foraging ecology of Cook Inlet beluga whales. Contact
[email protected]
or
[email protected]
.'
about 2 months ago
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Upcoming collage night at the Nova Scotia Museum of Natural History.
www.eventbrite.ca/e/natural-hi...
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Natural History Collage Night - Fantastic Creatures
Art meets nature in this evening of creativity & exploration. Explore the museum collection and create an associated collage.
https://www.eventbrite.ca/e/natural-history-collage-night-fantastic-creatures-tickets-1980498537439?utm-campaign=social&utm-content=attendeeshare&utm-medium=discovery&utm-term=listing&utm-source=cp&aff=ebdsshcopyurl
about 2 months ago
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Tim Frasier
Colin Garroway
about 2 months ago
Interested in genetic diversity-area relationships as a potential proxy for genetic diversity? Check out Chloรฉ Schmidt's latest ๐
@chloology.bsky.social
๐งช๐๐งฌ๐
#consgen
#popgen
#evobio
with Sean Hoban,
@debbiemleigh.bsky.social
, & Walter Jetz
onlinelibrary.wiley.com/doi/full/10....
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Tim Frasier
Jeremy Yoder says no war
about 2 months ago
Modeling the joint effects of genetic drift, mutation, and selection on loci that contribute to disease risk suggests that variation at many such loci is shaped more by their pleiotropic effects on non-disease traits than by their contribution to disease risk
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Mutationโselectionโdrift balance models of complex diseases
Genetic variation is maintained through a balance of mutation, natural selection, and genetic drift. Although this general picture is well understood, it i
https://buff.ly/Z3kbR4D
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Tim Frasier
Methods in Ecology and Evolution
about 2 months ago
๐Published๐ Carter et al. present tidypopgen, a new R package for population genetic analysis of SNP data which combines existing methods for computational efficiency with an easy to use object structure ๐งฌ ๐ ๐งช
buff.ly/huubYjs
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Tim Frasier
Richard McElreath ๐โโฌ
about 2 months ago
And we're live, Lecture A1 is online. Introduction to Bayesian workflow, generative models, estimands, estimators, estimates, error checking, beginnings of probability theory and Bayesian updating.
www.youtube.com/watch?v=ztbY...
add a skeleton here at some point
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Books read in 2025. The Message, The Sympathizer, and White Fragility were all great and had a big impact on me. Vonnegut is fantastic. John Warner's new book is also great (particularly for teachers). Also re-read Moby Dick, a new version with lovely prints frequently throughout.
about 2 months ago
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Jente Ottenburghs | Avian Hybrids
2 months ago
The last Avian Hybrids story of 2025! ๐ Peaks and Pitfalls: How to avoid artefacts in demographic analyses
avianhybrids.wordpress.com/2025/12/31/p...
Based on the Current Biology paper by Leon Hilgers and his colleagues |
#ornithology
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Peaks and Pitfalls: How to avoid artefacts in demographic analyses
Changing default parameters can prevent false peaks in population size estimations.
https://avianhybrids.wordpress.com/2025/12/31/psmc-peaks-and-pitfalls-how-to-avoid-artefacts-in-demographic-analyses/
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Tim Frasier
Julia M. Rohrer
2 months ago
Just gave my last talk of the year! 2025 was quite packed, I gave talks about: - the age-period-cohort problem - making rigorous causal inference more mainstream - mediation analysis - marginaleffects - causal graphs (x10) If you're curious, check out my slides here:
juliarohrer.com/resources/
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Resources
Here you can find a collection of things that may be helpful, including slide decks, a curated list of introductory papers and blog posts, as well as some infographics I have generated to explain vโฆ
https://juliarohrer.com/resources/
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We have an open tenure-track faculty position in our department for someone with a research program focusing on Cell Biology. See below
jobs.careerbeacon.com/details/assi...
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Saint Mary's University - Faculty Employment Opportunities is hiring an Assistant Professor - Biology - Halifax, NS
Could this be you? Click to find out more about this opportunity!
https://jobs.careerbeacon.com/details/assistant-professor--biology/2193976
2 months ago
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Tim Frasier
Dr Susan D Blum
3 months ago
I had a wonderful conversation with @Trevor Aleo about my latest book,
#Schoolishness
: Alienated Education and the Quest for Authentic, Joyful Learning, and you can listen to us on his podcast, Conceptually Speaking.
open.substack.com/pub/trevoral...
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Dr. Susan Blum Talks Schoolishness and the Quest for Authentic, Joyful Learning
Listen now | In this episode of Conceptually Speaking, I sit down with Dr.
https://open.substack.com/pub/trevoraleo/p/dr-susan-blum-talks-schoolishness?r=hhw&utm_campaign=post&utm_medium=web&showWelcomeOnShare=false
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Tim Frasier
Carl Zimmer
4 months ago
There's a word for learning from evolution's inventions: bioinspiration. Here's my interactive story on the way animals and plants fuel technological creativity. Gift link:
nyti.ms/4otNQyl
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How Inventors Find Inspiration in Evolution (Gift Article)
Soft batteries and water-walking robots are among the many creations made possible by studying animals and plants.
https://nyti.ms/4otNQyl
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Tim Frasier
Richard McElreath ๐โโฌ
4 months ago
The concept of "fitness" is central to evolutionary biology but it's not entirely worked out. There are multiple definitions, doubts about predictive power, problems with internal consistency. Here's a paper from last year attempting to solve some of these problems.
doi.org/10.1093/evol...
add a skeleton here at some point
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Calls for membership on COSEWIC subcommittees are now posted (including the marine mammals SSC)! It is incredibly rewarding to serve on these committees, not to mention the pleasure of working with such great people.
www.cosewic.ca/index.php/en...
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Cosewic - call-for-expressions-of-interest-as-specialist-subcommittee-members-including-early-career-biologists
https://www.cosewic.ca/index.php/en/news-and-events/call-for-expressions-of-interest-as-specialist-subcommittee-members-including-early-career-biologists.html
4 months ago
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Tim Frasier
David Shiffman, Ph.D. ๐ฆ
4 months ago
Sharks absolutely get cancer, and people claiming otherwise are pseudoscientific grifters preying on the desperate. Even if sharks did not get cancer, eating shark would not cure your cancer any more than eating LeBron James would make you better at basketball.
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Sisyphus Idaho
4 months ago
Finally an
#Idaho
judge drops the hammer on a poaching ring with hefty jail sentences and lifetime hunting privileges suspended. The gasping from the sentencing courtroom gallery was the sound of privilege meeting justice.
#idpol
www.kivitv.com/twin-falls/s...
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Seven men sentenced to jail for multi-year poaching excursions south of Twin Falls
Seven men received jail sentences for an illegal deer hunting operation south of Twin Falls. Judge revokes lifetime hunting privileges.
https://www.kivitv.com/twin-falls/seven-men-sentenced-to-jail-for-multi-year-poaching-excursions-south-of-twin-falls?fbclid=IwdGRjcANt1qZleHRuA2FlbQIxMQABHsRp2EJ5zO3YR8yJQeUc4wF7S9Rxr4cLlxqQGzz6lRAUw_0BNiaH7HUq5Vi6_aem_93trQXOXeOaE51t2q9a9Vg
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Tim Frasier
Carl Zimmer
4 months ago
How bowhead whales live for centuriesโand how we might borrow some of their biology to extend our healthy lifespan. Gift link to my new column:
nyti.ms/4hyD9ry
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Wow. Hadn't even thought about the implications of antivax ideas on pets and veterinarians...
add a skeleton here at some point
4 months ago
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Jente Ottenburghs | Avian Hybrids
4 months ago
Do you also have a "To Read" folder thatโs basically a black hole? ๐ณ๏ธ My new blog post explores why thatโs okay. And how to orbit the black hole instead of getting sucked in. Youโll Never Keep Up with the Scientific Literature (and Thatโs Okay)
jenteottenburghs.wordpress.com/2025/10/28/y...
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Exciting opportunity to work on Marion Island!
mousefreemarion.org/vacancies/?f...
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Vacancies - Mouse-Free Marion
VACANCIES Mouse-Free Marion Project Field Assistants (April 2026 - May 2027 ) BirdLife South Africa, via the Mouse-Free Marion (MFM)
https://mousefreemarion.org/vacancies/?fbclid=IwY2xjawNt5C5leHRuA2FlbQIxMABicmlkETFmdkI4U0N4RlJnU2traXRVAR7i1BMnxEL3AORtiorlqIYXJya8wAH9NyDERd3mEy1Gon48A9QHV5Sy81Q1cw_aem_05qqHBfbnea1Uxq2_Cz0Eg
4 months ago
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Tim Frasier
Andrew Gelman et al.
5 months ago
7 reasons to use Bayesian inference!
statmodeling.stat.columbia.edu/2025/10/11/7...
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7 reasons to use Bayesian inference! | Statistical Modeling, Causal Inference, and Social Science
https://statmodeling.stat.columbia.edu/2025/10/11/7-reasons-to-use-bayesian-inference/
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Leaf blowers are one of the most effective tools I've seen for turning your problem into someone else's problem.
5 months ago
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Tim Frasier
Hanbin Lee
5 months ago
Our paper (Brieuc Lehmann is the first author) is now online in Genetics.
academic.oup.com/genetics/adv...
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On ARGs, pedigrees, and genetic relatedness matrices
Abstract. Genetic relatedness is a central concept in genetics, underpinning studies of population and quantitative genetics in human, animal, and plant se
https://academic.oup.com/genetics/advance-article/doi/10.1093/genetics/iyaf219/8277882
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So sad to hear about the passing of Jane Goodall. She was a huge inspiration for me. I was lucky enough to see her give talk, and to meet here, many years ago. A huge loss.
add a skeleton here at some point
5 months ago
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Tim Frasier
Jente Ottenburghs | Avian Hybrids
5 months ago
New story on the Avian Hybrids blog! The hidden effects of genetic purging in Galรกpagos Mockingbirds
avianhybrids.wordpress.com/2025/10/01/t...
Based on the Molecular Ecology study by Jakub Vlฤek, Sebastian Espinoza-Ulloa and their colleagues |
#ornithology
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The hidden effects of genetic purging in Galรกpagos Mockingbirds
Exploring patterns of genetic load across island populations.
https://avianhybrids.wordpress.com/2025/10/01/the-hidden-effects-of-genetic-purging-in-galapagos-mockingbirds/
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Tim Frasier
Pierre de Villemereuil
5 months ago
In 2020, O Gaggiotti, J Goudet and I showed that Qst-Fst comparison was uncalibrated with high population structure. During her PhD with us, Isa do O developed LogAV: a method that accounts for any population structure while testing for local adaptation :
journals.plos.org/plosgenetics...
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A method for identifying local adaptation in structured populations
Species occupy diverse, heterogeneous environments, which expose populations to spatially varied selective pressures. Populations in different environments can diverge due to local adaptation. However...
https://journals.plos.org/plosgenetics/article?id=10.1371/journal.pgen.1011871
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Tim Frasier
Environmental Politics
5 months ago
New article from
@stefcraps.com
! Ecological apologies: reckoning with grief, guilt, and multispecies justice.
doi.org/10.1080/0964...
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Tim Frasier
Gregg Rosenthal
6 months ago
Week 2 mega preview with
@patrickclaybon.bsky.social
@jourdanrodrigue.bsky.social
- Buying more Jets stock - Kyle Pitts SZN? - The Titans defense: creditable - Bo Nix trying stuff - Puns. So many puns ๐ง:
landing.podtrac.com/nfldaily
๐บ:
youtu.be/rxi0ko9dDp0?...
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Tim Frasier
Yun S. Song
6 months ago
SINGER, our ARG inference method, is finally published and freely available online:
doi.org/10.1038/s415...
It was a long journey โ 16 months from initial submission to acceptance. Is it just me, or has peer review gotten more arduous lately? 4+ rounds of review isn't so unusual these days...
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Robust and accurate Bayesian inference of genome-wide genealogies for hundreds of genomes - Nature Genetics
SINGER is a method for creating ancestral recombination graphs to understand the genealogical history of genomes. The method has increased speed, and thus scalability, without sacrificing accuracy.
https://doi.org/10.1038/s41588-025-02317-9
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Dr Susan D Blum
6 months ago
This new book, The Ungraded Classroom, edited by Carlo Ricci and Gina Riley (with a foreword by @susandblum), has just been published! It has many examples, beautifully and honestly presented, of ways educators have included ungrading in their classrooms.
www.amazon.com/dp/B0FQHZKJZ...
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The Ungraded Classroom: Feedback, Reflection, and Authentic Learning
The Ungraded Classroom: Feedback, Reflection, and Authentic Learning [Ricci PhD, Carlo, Riley PhD, Gina] on Amazon.com. *FREE* shipping on qualifying offers. The Ungraded Classroom: Feedback, Reflection, and Authentic Learning
https://www.amazon.com/dp/B0FQHZKJZQ/ref=monarch_sidesheet_title#detailBullets_feature_div
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Tim Frasier
Alt National Park Service
6 months ago
Wow, Florida at it againโฆ planning to become the first state to end all vaccine mandates, even for schoolkids. Donโt let the facts of decades of preventing outbreaks and protecting public health get in the way.
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DeSantis administration pushes to eliminate all vaccine mandates in Florida โข Florida Phoenix
School children, college students, and even nursing home residents would no longer have to be vaccinated against infectious diseases and viruses if Florida Surgeon General Joseph Ladapo and his boss, ...
https://floridaphoenix.com/2025/09/03/desantis-administration-pushes-to-eliminate-all-vaccine-mandates-in-florida/
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The Innocence Project
6 months ago
Ever wonder what a day in the life of an Innocence Project lawyer is like? Take a moment to read this
@reuters.com
profile of Director of Strategic Litigation Chris Fabricant and learn about the everyday challenges our legal team faces.
www.reuters.com/practical-la...
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Public Interest Profile | Practical Law The Journal | Reuters
M. Chris Fabricant, Innocence Project
https://www.reuters.com/practical-law-the-journal/legalindustry/public-interest-profile-2025-09-01/
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Tim Frasier
Olivier Gimenez ๐ฆฆ
6 months ago
How do wildlife populations respond to human pressures, and how can we better predict these responses to guide conservation? Here, we review current modelling approaches and highlight new opportunities, with case studies. ๐ Open access:
doi.org/10.1111/ele....
๐๐
@cassiespeakman.bsky.social
add a skeleton here at some point
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Tim Frasier
Mattan S. Ben-Shachar
6 months ago
I finally tried out {priorsense}๐ฆ with
#Stan
#rstats
and it's awesome! Fed it a simple model I use for teaching, and found some (minor) prior-data conflicts. The powerscale_plot_dens() function really helps in understanding how "bad" the conflict is.
add a skeleton here at some point
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Tim Frasier
Mark
6 months ago
Alberta, Canada The Handmaid's Tale among more than 200 books to be pulled at Edmonton public schools Internally distributed list obtained by CBC shows more than 200 books slated for removal
www.cbc.ca/news/canada/...
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The Handmaid's Tale among more than 200 books to be pulled at Edmonton public schools | CBC News
A list confirmed by CBC News shows titles like The Handmaid's Tale and Brave New World are among books to be pulled. The development comes after a policy from Alberta's education minister outlines new...
https://www.cbc.ca/news/canada/edmonton/edmonton-school-books-removal-1.7620807
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Tim Frasier
Dr. Arun Sethuraman
6 months ago
At this point, I bet you can bottle horse dewormer, call it CureAll, and sell it on pharmacy shelves, and there would be no consequence. Oh wait! They already do that, with endorsement from a dude with worms in his brain!
add a skeleton here at some point
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Tim Frasier
Dr. Arun Sethuraman
6 months ago
Errrmm ๐คฆ๐พโโ๏ธ
add a skeleton here at some point
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Tim Frasier
Ming Tommy Tang
6 months ago
Bioinformatics workbook
bioinformaticsworkbook.org/#gsc.tab=0
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Tim Frasier
Ming Tommy Tang
6 months ago
Free course: Intro to Computational Biology by Mike Love, author of DESeq2.
biodatascience.github.io/compbio/
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Tim Frasier
Julia M. Rohrer
6 months ago
Ever stared at a table of regression coefficients & wondered what you're doing with your life? Very excited to share this gentle introduction to another way of making sense of statistical models (w
@vincentab.bsky.social
) Preprint:
doi.org/10.31234/osf...
Website:
j-rohrer.github.io/marginal-psy...
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Olivier Gimenez ๐ฆฆ
6 months ago
hbr.org/2025/02/the-...
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The Case for Sabbaticals โ and How to Take a Successful One
A sabbatical โ defined here as an intentional extended leave from your job-related work โ may seem out of reach for many workers. But if you can swing it, the potential payoff is enormous. In fact, ta...
https://hbr.org/2025/02/the-case-for-sabbaticals-and-how-to-take-a-successful-one
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Tim Frasier
Dr. Arun Sethuraman
6 months ago
Excited for this year's lineup of fabulous speakers, including
@bielleogy.bsky.social
,
@catalicu.bsky.social
, and others at the
@calstate.bsky.social
Virtual Bioinformatics Webinar series! I hope that you'll join us - Friday's at noon Pacific. Deets in the flyer.
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Tim Frasier
Dr Mark E Hauber
7 months ago
www.nature.com/articles/s42...
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Genetic purging in an island-endemic pigeon recovering from the brink of extinction - Communications Biology
genomic sequencing of the critically endangered red-headed wood pigeon reveals a low frequency of deleterious mutations despite high homozygosity, suggesting that historical inbreeding may have purged...
https://www.nature.com/articles/s42003-025-08476-z
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