Screenshot of the title page of an article in Ecology Letters TITLE: There is No Consensus on Biological Sex Madeline G. Eppley. A, Andy Lee Robert Dellinger, Ally Swank First published: 05 March 2026 | https://doi.org/10.1111/ele.70350 Editor: Greg F. Grether Madeline Eppley and Andy Lee contributed equally and are co-first authors. ABSTRACT There is ongoing scientific and societal discourse on the definition of biological sex. At this critical moment when misinformation about sex is being applied to policy globally, scientific clarification is valuable. Here, we evaluate the primary approaches to defining sex and synthesise the active discourse to conclude that there is no current consensus on a definition of sex that is free of assumptions and limitations. While there is no current consensus, we do not advocate for a single definition and contend that a lack of unanimity is not inherently problematic. No matter what definitional choices are used, we provide actionable recommendations to improve accuracy when describing sex. Most importantly, regardless of scientific debates, no biological definition of sex should be used to dictate human rights.

On this Trans Day of Visibility, please enjoy & learn something from this fascinating & clarifying read from @madeline-eppley.bsky.social, @andylee.bsky.social, Robert Dellinger & @allydefduf.bsky.social

Read👉 onlinelibrary.wiley.com/doi/full/10....

(🙏 for this excellent work & actionable recs!)

Any tips on making the jump from ecology to more molecular/evo-devo focused fields? Hoping to switch to the latter for a PhD, but it's hard knowing I lack a lot of the practical experience other applicants will have

Any tips on making the jump from ecology to more molecular/evo-devo focused fields? Hoping to switch to the latter for a PhD, but it's hard knowing I lack a lot of the practical experience other applicants will have

GitHub - alanrogers/popgen: A course on population genetics A course on population genetics. Contribute to alanrogers/popgen development by creating an account on GitHub.

I taught (and co-taught) a course on human population genetics from 2000-2024. Having retired, I'm now making all the course materials public: github.com/alanrogers/p... #popgen #evbio

Blocked off complex with caution tape and cop cars

Border Patrol has shot two people in Oregon close to Portland. The shooting occurred near East Burnside and 141st Avenue. The two who were shot allegedly drove to this location for further help and are now en route or at hospital. Their condition is unknown.

Anyone know of any job boards for international (non-US) ichthyology, marine bio, or research jobs? Definitely interested in going abroad with recent news

A Black man named Keith Porter was shot and killed by an ICE officer on New Year’s Eve.

Marimar Martinez was shot five times by an ICE officer in Chicago who went on to brag about leaving seven holes in her body.

This is not new but it is expanding.

ICE officer kills a Minneapolis driver in a deadly start to Trump’s latest immigration operation

An Immigration and Customs Enforcement officer shot and killed a Minneapolis driver. Minnesota Gov. Tim Walz said he’s prepared to deploy the National Guard if necessary in case of unrest.

300,000 Wondrous Nature Illustrations Put Online by The Biodiversity Heritage Library Are we truly in the midst of a human-caused sixth mass extinction, an era of “biological annihilation”?

300,000 Wondrous Nature Illustrations Put Online by The Biodiversity Heritage Library www.openculture.com/2026/01/3000...

2026 Trans Girl Scouts To Order Cookies From! This year, consider ordering your Girl Scout cookies from a trans girl scout to make their day!

1. Did you know that Girl Scouts has, for a long time, accepted trans girls and nonbinary scouts?

Trans kids are under attack. Every year, I make a thread of trans and nonbinary girl scouts you can get your cookies from.

Lets get our cookies from them this year in solidarity!

Experts Warn U.S. in Early Stages of Genocide Against Trans Americans Genocide scholars say policies targeting transgender Americans match early warning signs of mass atrocity.

NEW from Important Context:

Genocide experts, including two past presidents of the International Association of Genocide Scholars, are speaking out about escalating attacks on transgender Americans in the U.S.

www.importantcontext.news/p/experts-wa...

Finally out! We studied the retinas of the longest-living vertebrate, the Greenland shark, and found that the retinas remain remarkably healthy in animals around 150 years old. What is the mechanism? It may be a highly efficient DNA repair system. Enjoy!
www.nature.com/articles/s41...

I‘m discontinuing my social media use for the foreseeable future and I want to explain why.

I woke up in the new year to discover that some guy on here had saved photos I took on New Year’s Eve and used Grok to remove my clothes. I know this because he showed me.

Deep metatranscriptomic sequencing data of wastewater from Los Angeles, USA, 2023–2024 www.nature.com/articles/s41... #jcampubs

We are recruiting for a number of PhDs in the HPRU in Public Health Genomics, based at @unibirmingham.bsky.social, in collaboration with UKHSA. 🦠🧬

Apply below to work on cutting-edge science and public health priorities! (NB deadline of 9th January / UK only due to funding restrictions)
(1/7)

This could be your dream job: working full time at the Friday Harbor Labs on marine invertebrate organismal biology. Nine month salary from an endowment, teaching and research faculty position.

apply.interfolio.com/178804

Deadline soon (end of Nov) for this PhD position in evolutionary genomics/bioinformatics in my group.

ShoalBase | Join, Explore, Contribute Now ShoalBase offers a global database on fish social behaviour, supporting research, conservation, and ecology through community contributions and visual data mapping.

🧵1/9 There are 35,000+ fish species, but we have formal social-behaviour classifications for a tiny fraction. Most knowledge lives in the experience of researchers, fishers, divers, aquarists, naturalists, and Indigenous communities, but almost none of it is centralised. So we built ShoalBase.org.

Today's biggest science news: Doomed comet explodes | Comet 3I/ATLAS course alteration | Dark matter detected? Wednesday, Nov. 26, 2025: Your daily feed of the biggest discoveries and breakthroughs making headlines.

NEW from me - NSF cancels grant scheme for social science research.

Seems the NSF quietly archived ALL calls for DDRIG grants in the SBE directorate. This is a massive blow for PhD students wanting to do cutting-edge social science research. 🏺🧪

Ecology/Evolution/Marine Biology labs recruiting for Fall 2026 (Responses)

Also @hannahgreich.bsky.social shared this great resource with me for anyone else on the hunt: docs.google.com/spreadsheets...

USAJOBS connects job seekers with federal jobs across the United States and around the world as the official employment site for the federal government These positions may be filled for a six month seasonal period, but can vary due to weather conditions, project needs, or funding. Anticipated Entry on Duty: <strong>April-May 2026</strong> <p>For more...

Foot in door! NPS paleontology seasonal positions! www.usajobs.gov/job/85081670... @societyofvertpaleo.bsky.social

Stemonosudis fumea, a new barracudina (Aulopiformes: Paralepididae) from Japan, with taxonomic comments on the Stemonosudis rothschildi species complex - Ichthyological Research A new barracudina, Stemonosudis fumea, is described on the basis of 12 specimens [78.7–235.2 mm in standard length (SL)], collected from Japan and adjacent waters. This new species belongs to the Stem...

共著論文が出ました。イブシクラノセナメハダカ。長いな。Stemonosudis fumea, a new barracudina (Aulopiformes: Paralepididae) from Japan, with taxonomic comments on the Stemonosudis rothschildi species complex

link.springer.com/article/10.1...

Close up on the head and front half of a Flying gurnard, a truly unusual fish that creeps across the sand bottom using specially modified fins. It has very large eyes that show refractive irridescence from my strobe, and is sort of polka-dotted in reds, browns and blues

Way too much politics on my timeline right now, deploying weird marine life image. :) Here's up close and personal with an unusually cooperative Flying gurnard (Dactylopterus volitans). Night dive, Ulua Beach Maui. 🌿📷🐟🦑

A photo of Kai standing in front of his research poster at a conference. The poster is titled "How does propeller size and effort impact multi-jet propulsion in colonial salps?" Kai is wear a black shirt and smiling at the camera.

Happy LGBT in STEM day!

I'm Kai (he/him), I'm a fish biologist & a MSc student with Dr. Bronson at Cal Poly Humboldt. I study larval fish taxonomy & diversity, & am interested in natural history and fish anatomy.

I'm trans & strive to create more welcoming scientific spaces for LGBT folks!

🐠🐡🐟

#Newport needs a big turnout to help prevent an ice facility opening on the Oregon coast. Oregonians, please spread the word.

@indivisibleoregon.bsky.social @50501salem.bsky.social @50501eugeneor.bsky.social @indivisible-inco.bsky.social #Corvallis #Eugene #Newport #Salem #PDX #Astoria #DepoeBay

Newport officials raise alarm about possible new ICE facility Rumors have spread since last week that the Trump administration is planning an outpost on Oregon's central coast.

DHS/ICE sneaking to set up outpost on Oregon central coast

Sounds like DHS is quietly trying to take over the Coast Guard air facilities south of Newport. They've already moved the rescue helicopter 100 miles south, to North Bend (near Coos Bay), which is not good for future rescues near Newport.

PhD student in systematic biology The Department of Organismal Biology teaches and explores the evolution, development and function on the organismal level. For more information see Department of Organismal Biology - Uppsala Universit

It is a collaboration between my lab (Uppsala U) and the labs of @dudinlab.bsky.social (Geneva U) and @filiphusnik.bsky.social (OIST). More info and how to apply here:
uu.varbi.com/en/what:job/.... (The use of AI for writing the motivation letter is discouraged and will be regarded unfavourably) 2/2

A 40-year taxonomic enigma: multigene phylogeny resolves the polyphyly of Plectranthias (Perciformes: Anthiadidae) and supports a revised taxonomy Abstract. Anthiadidae, a family of shallow and deep-water reef-associated fishes, include about 250 species distributed widely from tropical to temperate r

Chenさんの研究室のAnthiadidae論文。すごい。A 40-year taxonomic enigma: multigene phylogeny resolves the polyphyly of Plectranthias (Perciformes: Anthiadidae) and supports a revised taxonomy

academic.oup.com/zoolinnean/a...

For anyone who can live in Flordia, a great opportunity in an amazing collection:

FMNH is looking for an experienced full-time Collections Manager II or III as Director of Invertebrate Paleontology Collections within the Department of Natural History.

🧪⚒️🦑
explore.jobs.ufl.edu/en-us/job/53...

Come and join us here in Cambridge! Applications open for a new faculty position, for a researcher in computational and/or theoretical biology, based jointly in Genetics and Mathematics. Happy to answer questions about research, teaching and working here.

www.cam.ac.uk/jobs/faculty...