#ZebrafishZunday: Valentine's Day Edition ❤️ Beating heart of a transgenic zebrafish embryo. Credit to @zebrafish007.bsky.social. 🧪

Highly recommended!

"The Incidence of Tariffs: Rates and Reality" by Gita Gopinath and Brent Neiman.

"...tariff pass-through to U.S. import prices is almost 100 percent, so the United States is bearing a large share of the costs."

bfi.uchicago.edu/wp-content/u...

what a mark i am :(

Huh I would have thought this was hand made

New one. I have used both, but had much better luck with multiple animal tracking with the new one, I also find it generally faster and less error prone

Agreed with idtracker, I’ve used it with groups of up to five fish in an arena and it maintains individual identity very well

An anole extends its dewlap, which says "call for scientists!"

Seeking scientist volunteers for this fall! Want to practice science communication and help author a 🌟comic🌟 about your research? I need collaborators for the next cohort of SciComm & Comics art and design students. All countries and scientific fields eligible.

🚨Very happy that my PhD work is now out in @nature.com!

We discovered that evolution, by acting in the midbrain, shifted the threshold to escape in Peromyscus mice, to fine-tune defensive strategies in different environments

www.nature.com/articles/s41...

This was a truly collaborative effort! 🧵⬇️

A quick 🧵 on what happened yesterday in the D.C. Council with Initiative 82: As you may have heard, the council rejected what would essentially have been a repeal of the initiative, which was approved by voters in 2022 and slowly phases out the tipped wage.

Universities are not about the accumulation of knowledge, hoarded like gold ducats in a locked vault.

Humanity’s collective knowledge is a living thing; it circulates through society like blood; it must constantly be transmitted and renewed.

That is what we do.

"National Science Foundation Surprise: Employees Being Relocated to Accommodate Secretary of HUD’s Palatial New Office"

Here's the official union statement on the HUD takeover.

Small correction that's not included in the screenshot: "Correction: currently 1,833 NSF employees work in the NSF headquarters building."

This time-lapse captures 17 hours of axonal growth from a chicken dorsal root ganglion explant, visualized through the actin cytoskeleton using live confocal imaging.
I just submitted this video to the Nikon Small World in Motion competition. Today is the last day to upload yours! 😉
🧪

🥳😎 How do you like Tigran Hamasyan??

Something else good in the world.

These two are a dream team.

In response to headline “Cruz-Led Investigation Uncovers $2 Billion in Woke DEI Grants at NSF, Releases Full Database” I want to re-emphasize that all these grants were public record and written in response to public solicitations supporting DEI content. No “uncovering” or “releasing” was done here

Gene editing technology began by people studying salt marshes. Ozempic began by folks studying the venom of Gila Monsters. Support for basic science has empowered us to understand our world. Tethering it to applications health has transformed and saved countless lives.

1. Today the NIH director issued a new directive slashing overhead rates to 15%.

I want to provide some context on what that means and why it matters.

grants.nih.gov/grants/guide...

Dynamic co-evolution of transposable elements and the piRNA pathway in African cichlid fishes - Genome Biology Background East African cichlid fishes have diversified in an explosive fashion, but the (epi)genetic basis of the phenotypic diversity of these fishes remains largely unknown. Although transposable e...

Our first deep dive into TEs and piRNAs in African cichlids is finally published!

genomebiology.biomedcentral.com/articles/10....

rdcu.be/d69S5

Our main findings below 🧵

#TEsky

No parent–child conflicts about when young cichlid fish leave home Parents and offspring have synchronised schedule for nest emergence.

Behavioural experiments in shell-dwelling cichlid fish reveal evolutionary adaptations in parents and offspring that control the timing of emergence from the nest

https://go.nature.com/3EaV3Bp

Image of a Xiphophorus hybrid fish with malignant melanoma. Taken from Kneitz et al. BMC Genomics (2016). DOI: 10.1186/s12864-016-2697-z

Xiphophorus fish are one of the oldest animal models for cancer research (dating back to 1920s). It provided the first evidence that cancer has a genetic basis after it was found hybrids of platyfish (X. maculatus) & swordtails (X. hellerii) can develop highly malignant melanomas. #TeleostTalk 🧪

🎨 In case anyone need…

The NIH BioArt Source is an awesome library of *free* professionally drawn illustrations for scientific presentations or figures. Downloadable in HD. Thank you NIH for this invaluable tool 🙏!

Check it out 👇
bioart.niaid.nih.gov