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Posts by Igor Pessi

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The air is full of DNA — here’s what scientists are using it for Airborne genetic material can be used to paint a picture of ecosystem health, watch for invasive species and even identify humans.

A feature in Nature describes how researchers are using airborne genetic material to paint a picture of ecosystem health, watch for invasive species, and even identify humans. 🧬🧪

2 days ago 47 13 0 1
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Unfalsifiable by Design: A Year of Trying and Failing to Reproduce a Human Microbiome and Autism Study The myth of open data, reproducibility, responsibility, and accountability in science, and your role in it

How every layer of science's "self-correcting machinery" failed when Iva Veseli and I simply wanted to reproduce the findings of a high-profile study on gut microbiome and autism:

merenlab.org/2026/04/15/u...

5 days ago 160 79 12 21
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This is from 7 years ago (merenlab.org/2019/02/24/f...). We are talking about the same things today. We will be talking about the same things 7 years from now. There is no one to blame for this apart from ourselves. I find it very depressing.

4 days ago 22 9 1 1
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"Resistindo à melancolia de esquerda" é um importantíssimo (e tristemente atual) texto de Wendy Brown que nunca havia ganhado tradução em português.

Abal e Divan fizeram a mão! - acesse, baixe (e leia!) aqui: ojs.upf.br/index.php/rj...

Nesse ep., eles discutem o texto e as ideias NECESSÁRIAS dele

1 week ago 172 58 11 24
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Critical Atlantic current significantly more likely to collapse than thought Scientists say finding is ‘very concerning’ as collapse would be catastrophic for Europe, Africa and the Americas

Be afraid. Be very afraid. Srsly. Not much we can do, except cross our fingers.

6 days ago 21 15 2 4
OSF

"A data-conscious checklist for the reviewers of 'omics studies who champion open science", a Comment Iva Veseli and I wrote is now online at metaRxiv:

doi.org/10.31222/osf...

Please read it and consider sharing it with your friends, colleagues, trainees, or editors of your favorite journals.

6 days ago 8 3 0 1
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Joint NSO–GfÖ Conference 2026 | Nordic Society Oikos Join us for one of Europe’s leading ecological conferences, where scientists, students, and professionals from across the Nordic countries, Germany, Austria, and Switzerland come together to explore t...

Sep 13 - 17, 2026 - Joint NSO–GfÖ Conference 2026 nordicsocietyoikos.glueup.com/event/joint-...

1 month ago 1 1 0 0

Each publication in a #Microbio26 journal helps fund 4 student travel grants. Please publish with us if you can!

1 week ago 22 15 0 1

Our latest @isme-microbes.bsky.social study is now available in its final format.
You can also read more about our work here:
igorpessi.com/2026-04-13-b...

1 week ago 7 2 0 0
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Lebanon is beautiful
Thank you Ibrahim Maalouf ♥️

1 week ago 2 0 0 0
Time series graph showing the onset date of spring in Sodankylä Tähtelä in 1908-2026.

Time series graph showing the onset date of spring in Sodankylä Tähtelä in 1908-2026.

It can be now said with certainty that the thermal spring started in Sodankylä, Lapland on March 12. That is the earliest onset of spring on record (since 1908).

The date is 10 days earlier than the previous record (in 1920) and 37 days before the median date for 1991–2020 (April 18).

1 week ago 58 29 5 2

While killing dozens of people in Lebanon (MOPH says 112, civil defense counts 250+, until now), Israel still found time to kill another one of our colleagues in Gaza.

1 week ago 1569 718 11 7

There is no ceasefire in Lebanon. Israel has been bombing Lebanon non-stop since last night. If anything Israel is expanding its war on Lebanon.

You are being lied to

1 week ago 4061 1870 10 80
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gbdraw v0.9.1 is out now on Bioconda!
Easily visualize microbial genomes and enjoy the #gbdraw web app completely offline.
📦 Install via Bioconda: bioconda.github.io/recipes/gbdr...
🌐 Try the online app: gbdraw.app
#bioinformatics #genomics #microbiology #visualization

2 weeks ago 48 18 1 0

And I wouldn’t put too much emphasis on what’s written on the constitution, after all “all men are created equal” doesn’t mean anything when the people who are saying this are slave owners…

2 weeks ago 0 0 0 0

Sure, “god” in the dollar bill is referring to Vishnu and Allah...

2 weeks ago 0 0 1 0
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It’s mind boggling to see folks from the US referencing Stalin, North Korea, Iran, for things that are 100% what the United States of America has always been about.

2 weeks ago 0 0 0 0

What are you talking about “iranification?” Isn’t “in god we trust” the official slogan of the US? When was the US NOT a Christian state??

2 weeks ago 0 0 2 0
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Lebanon condemns ‘blatant war crime’ after Israel kills three journalists Israeli military says primary target, killed in a missile strike far from the frontlines, was a Hezbollah ‘terrorist’

Israel killed three journalists in Lebanon and then called them terrorists

www.theguardian.com/world/2026/m...

3 weeks ago 199 132 2 7
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Researcher position in marine ecology/seabird ecology  (277350) | The Norwegian Polar Institute Job title: Researcher position in marine ecology/seabird ecology  (277350), Employer: The Norwegian Polar Institute, Deadline: Monday, April 7, 2025

#JobAlert 🪶

Come work with us!

3-year #research position with a focus on #seabird and prey interaction 🐟🪶🌏

📍Based in wonderful Tromsø, Norway ☃️

www.jobbnorge.no/en/available...

1 year ago 9 16 0 0
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Você já ouviu falar sobre coleta de DNA ambiental? Projeto coleta eDNA em áreas de manguezal do Brasil para responder duas grandes questões da ecologia 👇

3 weeks ago 7 1 1 0

How was this even considered in the first place?!

3 weeks ago 0 0 0 0

I have a research joke but before I publish it I need to pay Elsevier a couple thousand euros.

1 month ago 32 4 1 1
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Many journals require data and code sharing. Yet code is still rarely shared and datasets are often hard to reuse.

Our new paper introduces the @sortee.bsky.social guidelines for data & code quality control in ecology & evolution, developed by 26 experienced data editors.

📄 doi.org/10.24072/pcj...

1 month ago 88 62 1 1
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Confidential health records from UK BioBank project exposed online Exclusive: Guardian investigation finds data from flagship medical research leaked dozens of times Confidential health data has been exposed online on dozens of occasions, a Guardian investigation can reveal, raising questions about the safeguarding of patient records by one of the UK’s flagship medical research projects. UK Biobank, which holds the medical records of 500,000 British volunteers, is one of the world’s most comprehensive stores of health information and is credited with driving breakthroughs in cancer, dementia and diabetes research. But scientists approved to access Biobank’s sensitive data appear to have sometimes been cavalier about its security. Continue reading...

Confidential health records from UK BioBank project exposed online

1 month ago 80 51 5 15
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Bioplastic biodegradability shapes microbial communities in a coastal brackish environment Abstract. Microorganisms are metabolically versatile and central to marine ecosystems, yet the potential of marine microbial communities to degrade differe

Bioplastic biodegradability shapes microbial communities in a coastal brackish environment academic.oup.com/ismej/advanc... #jcampubs

1 month ago 11 2 0 1

Anybody interested in the degradation of biodegradable plastics in marine waters should take a look at ⬇️

1 month ago 5 4 0 0

🤡🤡🤡

1 month ago 1 0 0 0

This piece is disturbing because it reads like a press release that had to include a bit of journalism in it. There’s virtually no critical analysis of the danger of what’s happening. The only mention of the word “law” is a UN quote.

1 month ago 275 109 8 2