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Posts by Justin C Leavitt, PhD

Flood. Gunlock, Utah. October 10, 2025
Flood. Gunlock, Utah. October 10, 2025 YouTube video by Midlogphase

Flooding in Southern Utah.

Flood. Gunlock, Utah. October 10, 2025
youtu.be/QuP06ewe3Ro

6 months ago 0 0 0 0
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Public Lands Sales on the Table as Congress Looks for Ways to Raise Revenue Americans could be locked out of thousands of acres of public lands if this proposal is signed into law

Great coverage from @sierramagazine.bsky.social on the budget reconciliation amendment that would authorize the sale of over 11,000 acres of public land in Utah.

SUWA Wildlands Director, Neal Clark is quoted.

Read the full article here: www.sierraclub.org/sierra/publi...

11 months ago 5 3 1 1
An image that reads: Friedrich Schiller University Jena: Preparing your application for a MSCA Postdoctoral Fellowship hosted by the University of Jena. Invitation for a Master class.

An image that reads: Friedrich Schiller University Jena: Preparing your application for a MSCA Postdoctoral Fellowship hosted by the University of Jena. Invitation for a Master class.

A medium sized German city. On the right is a picteruesque river in the glowing daybreak. Around the city are gently rolling, green hills.

A medium sized German city. On the right is a picteruesque river in the glowing daybreak. Around the city are gently rolling, green hills.

Are you interested in a postdoc in Germany on fungal pathogen biology, genomics, or antifungal resistance? My Uni (@uni-jena.de) is hosting a free two-day masterclass in June on preparing MSCA Postdoc Fellowships with it as host.

If you are interested in writing a fellowship with me, get in touch!

1 year ago 24 20 0 0
Postdoctoral Researcher experimental “Microverse-scale Viral and Microbial Ecology”

We are looking for a #postdoc to join the VEO Group @microverse.bsky.social @uni-jena.de and build an experimental research line into the dynamics and functioning of microbial communities: jobs.uni-jena.de/jobposting/1...

1 year ago 15 17 0 0
Boric acid in methanol burning with a green flame. #chemistry #fire
Boric acid in methanol burning with a green flame. #chemistry #fire YouTube video by Green Raccoon

youtube.com/shorts/yMT3O...

Something about green flames…

1 year ago 2 0 0 0
Desert tortoise. Seen in Southern Utah at an elevation above 3700 feet.
Desert tortoise. Seen in Southern Utah at an elevation above 3700 feet. YouTube video by Green Raccoon

I keep seeing desert tortoises at higher and higher elevations. This guy was at nearly 4000 feet. #climatechange #nature

youtube.com/shorts/IM-Me...

1 year ago 0 0 0 0
Ducks having breakfast. #outdoors #birding #utah
Ducks having breakfast. #outdoors #birding #utah YouTube video by Green Raccoon

Watching some ducks before getting to work. Pine Valley Reservoir, Utah USA, . #duck #birding

youtube.com/shorts/T8THk...

1 year ago 0 0 0 0

Here is a recording of the St George crisis broadcast! youtube.com/watch?v=Lr3jZq…

Let's get all the help we can on this!
Here are ways you can get involved: tinyurl.com/28fhclxj
account.venmo.com/u/Dinosaur-AhT���

1 year ago 15 9 0 0
Cold brew coffee. Kyoto, Japan. #coffee #Japan #Kyoto #coldbrew
Cold brew coffee. Kyoto, Japan. #coffee #Japan #Kyoto #coldbrew YouTube video by Green Raccoon

I had some awesome cold brew in Kyoto. I’ve tried to figure out how to make it as good at home, but it is harder than it looks. #coffee #Japan #coldbrew

youtube.com/shorts/O6Ktr...

1 year ago 0 0 0 0
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Big Horn Sheep, Zion National Park
Big Horn Sheep, Zion National Park YouTube video by Green Raccoon

Always nice to see Big Horn Sheep doing sheep stuff. #zion

youtube.com/shorts/BQ7VC...

1 year ago 1 0 0 0

Microbiome functional gene pathways predict cognitive performance in older adults with Alzheimers disease www.biorxiv.org/content/10.1101/2025.03....

1 year ago 4 2 0 0
The Roman Orgy. Louis Feuillade, 1911.
The Roman Orgy. Louis Feuillade, 1911. YouTube video by Green Raccoon

Not what you would think it is. Actually has kind of cool scene with lions. #SilentFilm #silentcinema #silentbsky

youtu.be/MdzCSidc4xI?...

1 year ago 0 0 0 0
Walking the Moon Slots at night. Cathedral Gorge State Park.
Walking the Moon Slots at night. Cathedral Gorge State Park. YouTube video by Green Raccoon

Cathedral Gorge State Park, Nevada, USA (at night during a full moon) is one of the trippiest places on earth.

youtube.com/shorts/AWTMQ...

1 year ago 1 0 0 1
Where’s Waldo?: Originally depicted shirtless, Waldo was given his iconic red-and-white striped shirt to appease censors who took issue with the fugitive’s tattoos chronicling his murders for the Russian mob.

Where’s Waldo?: Originally depicted shirtless, Waldo was given his iconic red-and-white striped shirt to appease censors who took issue with the fugitive’s tattoos chronicling his murders for the Russian mob.

Brave New World: Bans on Aldous Huxley’s dystopian novel set in an authoritarian near-future proliferated when George Orwell’s 1984, a later dystopian novel set in an authoritarian near-future, was found to be much more straightforward and digestible.

Brave New World: Bans on Aldous Huxley’s dystopian novel set in an authoritarian near-future proliferated when George Orwell’s 1984, a later dystopian novel set in an authoritarian near-future, was found to be much more straightforward and digestible.

The Most Banned Books In The U.S.
theonion.com/the-most-ban...

1 year ago 867 60 16 4
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New bills in CT and VT, bills advance in AZ and MO, and a NV resolution; Oregon psilocybin center wins permit appeal; and A bad trip case study Plus: Psychedelics advocates mount response to proposed amendments to Sentence Reform Act, and Hallucinogen hospitalizations and ER visits associated with higher mortality rates in Canada

The week's news in psychedelics: New bills in CT and VT, bills advance in AZ and MO, and a NV resolution; Oregon psilocybin center wins permit appeal; and A bad trip case study themicrodose.substack.com/p/new-bills-...

1 year ago 16 3 0 0
A millipede in a mushroom farm
A millipede in a mushroom farm YouTube video by Green Raccoon

My hair is getting grey, but I still
like looking at bugs.

youtube.com/shorts/5D-yN...

1 year ago 1 0 0 0
Wild Turkeys in Southern Utah.
Wild Turkeys in Southern Utah. YouTube video by Green Raccoon

Wild turkeys always cheer me up.

youtube.com/shorts/fKMI1...

1 year ago 1 0 0 0
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We are deeply saddened by the passing of Dr. Dickson Despommier.

A brilliant scientist, storyteller, and friend, he shared his vast knowledge and infectious enthusiasm with all who listened.

We will miss him dearly. Our heartfelt condolences go out to all who knew and loved him.
#🧪

1 year ago 178 31 31 7
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1 year ago 27616 6338 183 229
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Interesting way to fatten a horse. The arsenic was presumably anti-parasitic?

From a the newspaper:
The Utah Pomologist, 1870.

1 year ago 1 0 0 0
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Big horns, Zion National Park

1 year ago 1 0 0 0
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Cesium step gradients are still my favorite way to purify phage. #phage

1 year ago 1 0 0 0

Peer review is (at best) a smell test for good/bad papers. Reviewers can be, and often are, fooled.

When I review a paper I ask 1) Does this have intellectual merit? 2) Is there anything obviously in error? I can’t guarantee a “perfect” review. I shouldn’t expect one from anyone else.

2 years ago 0 0 0 0

I just watched this old film, and it hit me in a different way. Under 15 minutes, and possibly one of the biggest jumps forward in movie history.

youtu.be/OrlHfHmyTWU?...

2 years ago 0 0 0 0

How one kind of virus “calls dibs” on a host cell, and excludes other viruses from infecting it. Fun times.

journals.asm.org/doi/10.1128/...

2 years ago 2 1 0 0
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Diversity of RNA viruses in declining Mediterranean forests https://www.biorxiv.org/content/10.1101/2023.10.28.564537v1 Global change alters forestry habitats and facilitates the entry of new pathogens that do not share

Diversity of RNA viruses in declining Mediterranean forests www.biorxiv.org/content/10.1101/2023.10....

2 years ago 1 1 0 0

I think I like this new-Twitter.

2 years ago 1 0 0 0

If you take all the land on earth and divide by the total global population, you get about 5 acres per person.

The fact that we can feed everyone is amazing. The idea that we can keep feeding everyone is dubious. Unsustainable is the word people use, I think “terrifying” is more accurate.

2 years ago 4 0 0 0