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Jaap de Roode

@jaapderoode.bsky.social
743 followers 196 following 142 posts

Biology professor; Emory University; monarch butterflies; infectious diseases; animal self-medication; host of Virulent Vortex podcast

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Jaap de Roode @jaapderoode.bsky.social · 15/09/2026
So excited to share that the Department of Biology @emoryuniversity.bsky.social is hiring an open-rank faculty member in the area of ecology. Happy to answer any questions. Please share! 🧪 apply.interfolio.com/191783
apply.interfolio.com
Apply - Interfolio {{$ctrl.$state.data.pageTitle}} - Apply - Interfolio
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Jaap de Roode @jaapderoode.bsky.social · 14/09/2026
New NPR episode on animal medication! 🧪 www.npr.org/2026/09/11/n...
npr.org
Chimp convalescence, ant amputation: the wild world of animal doctors : Short Wave
When people are sick, we seek out medications and treatments to help heal. For a long time, scientists thought that was a uniquely human ability. But it turns out, many other animals do a version of i...
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Princeton University Press @princetonupress.bsky.social · 31/08/2026
In Doctors by Nature, @jaapderoode.bsky.social takes readers into a realm often thought to be the exclusive domain of humans, exploring how scientists are turning to the medical knowledge of the animal kingdom. Out in #paperback on 15 September! Learn more: press.princeton.edu/books/paperb...
Doctors by Nature: How Ants, Apes, and Other Animals Heal Themselves by Jaap de Roode. The astonishing story of how animals use medicine and what it can teach us about healing ourselves.
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Jaap de Roode @jaapderoode.bsky.social · 21/08/2026
If you feel so inclined, please vote for Lectures on Tap to present at SXSW! 800 events, 72 thousand people who paid to listen to scientists while enjoying a beer! Amazing. 🧪https://participate.sxsw.com/flow/sxsw/sxsw27/community-voting-sxsw/page/community-voting/session/1785023305060001RUrK
participate.sxsw.com
PanelPicker | SXSW Conference & Festivals
PanelPicker® is the official SXSW user-generated session proposal platform. Enter ideas and vote to help shape Conference programming for SXSW and SXSW EDU.
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Jaap de Roode @jaapderoode.bsky.social · 04/08/2026
Our newest paper, led by Ania Majewska, shows that high-cardenolide milkweed provides medicinal effects to monarch butterflies regardless of their own genetic background. Thus, toxic milkweed can provide benefits across monarchs of many different genotypes. 🧪 onlinelibrary.wiley.com/doi/10.1002/...
onlinelibrary.wiley.com
Environment and Host Genetics Drive Infection Outcomes in a Butterfly Host, but Do Not Interact With Each Other
This study examined how host genetics and larval food plant environment influence parasite infection outcomes in monarch butterflies (Danaus plexippus) infected with the protozoan Ophryocystis elektr...
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Jaap de Roode @jaapderoode.bsky.social · 25/06/2026
Our new paper, using agent-based modeling, led by Mitchell Kendzel, shows that monarch butterflies do not need true navigation to reach their overwintering sites. Simple behavioural rules can explain the complex migration patterns of monarch butterflies royalsocietypublishing.org/rsos/article...
royalsocietypublishing.org
Simple behavioural rules can explain the complex migration patterns of monarch butterflies
Abstract. Many animals undertake seasonal migrations, yet the mechanisms by which they navigate remain poorly understood. For example, North American monar
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Jaap de Roode @jaapderoode.bsky.social · 04/06/2026
Delighted to share my latest TED-Ed video, explaining how scientists discovered that cats use the chemicals from silvervine and catnip to protect themselves against mosquitoes. This discovery may open the way to the development of new mosquito repellents for human use. ed.ted.com/lessons/why-...
ed.ted.com
Why does catnip make cats go crazy? - Jaap de Roode
Of the many bewildering behaviors cats display, one of the strangest is their obsession with a specific species of plant. After just one whiff, even the most stoic cat can start pawing, drooling, biti...
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Jaap de Roode @jaapderoode.bsky.social · 28/04/2026
Very interesting new study, suggesting that Barbary macaques eat soil to deal with the negative effects of eating junk food left behind by tourists. So many lessons here: animals: inventive; junk food: bad. www.cam.ac.uk/stories/monk...
cam.ac.uk
Monkeys learn to eat soil so they can tolerate high-calorie junk food
Gibraltar’s famous macaques have started eating soil, a behaviour linked to their access to tourist snacks, according to a new study.
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Princeton University Press @princetonupress.bsky.social · 08/04/2026
Congratulations to @jaapderoode.bsky.social, whose book Doctors by Nature has won the American Botanical Council's James A. Duke Botanical Literature Award! His work examines the fascinating ways animals use medicine and what that can teach us about healing ourselves. Learn more: hubs.ly/Q048H5-Y0
Doctors by Nature: How Ants, Apes, and Other Animals Heal Themselves by Jaap de RoodeJaap de Roode
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Jaap de Roode @jaapderoode.bsky.social · 26/03/2026
I love this new study on the use of jokes during biology conferences. Jokes make talks more engaging and memorable, and often help deliver important points. But they appear underused. Let's joke more! 🧪 royalsocietypublishing.org/rspb/article...
royalsocietypublishing.org
Statistically significant chuckles: who is using humour at scientific conferences?
Abstract. We’ve all been there: 11.47, swamped by a long stretch of dense scientific talks at a conference. Six slides into a hyper-technical presentation,
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Jaap de Roode @jaapderoode.bsky.social · 07/02/2026
Exciting opportunity!
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Jaap de Roode @jaapderoode.bsky.social · 02/02/2026
Cool study showing just how common it is for capuchins to anoint themselves and each other with the antimicrobial toxins produced by millipedes. 🧪 onlinelibrary.wiley.com/doi/pdf/10.1...
onlinelibrary.wiley.com
Contexts of Anointing Behavior in a Group of Blond Capuchin Monkeys (Sapajus flavius) Inhabiting an Atlantic Forest Fragment
Wild blond capuchin anoints with millipede species that secrete a chemical capable of repelling ectoparasites, suggesting a self-medicative function. Social and solitary anointing bouts occurred at s...
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Jaap de Roode @jaapderoode.bsky.social · 31/01/2026
Hartelijk dank, Evelien!
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Jaap de Roode @jaapderoode.bsky.social · 06/01/2026
Beautiful new paper showing a latitudinal migratory divide in Painted Ladies. Longitudinal divides in migratory species are quite common, but seeing a latitudinal gradient, as well as the chromosomal inversion causing it, is exciting! 🧪 www.nature.com/articles/s41...
nature.com
A north-south hemispheric migratory divide in the butterfly Vanessa cardui - Nature Communications
Here authors find a latitudinal migratory divide in a butterfly across Earth’s hemispheres, highlighting how hemisphere-specific seasonality and navigational cues shape migratory strategies. They find...
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Jaap de Roode @jaapderoode.bsky.social · 06/01/2026
A new study suggests that crab-eating foxes may use insects such as crickets and cockroaches as medication. More studies are needed, but very interesting observations! 🧪 rsdjournal.org/rsd/article/...
rsdjournal.org
View of Zoopharmacognosy behavior in the crab-eating fox (Cerdocyon thous): Report of insect-mediated self-medication in a peri-urban environment
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Princeton University Press @princetonupress.bsky.social · 28/11/2025
Listen to this great podcast recorded at this year's @newscientist.com Live! @rigb.org's Ri Science podcast talks to @ciaragreene.bsky.social and @gillian-murphy.bsky.social, co-authors of Memory Lane, as well as @jaapderoode.bsky.social, author of Doctors by Nature: buff.ly/dSvgt0o #NSL2025
buff.ly
From the Excel: Upcoming science in 2026 from New Scientist Live
Podcast Episode · Ri Science Podcast · 12/11/2025 · 23m
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Jaap de Roode @jaapderoode.bsky.social · 21/11/2025
So much fun to talk with Marty Martin and @jdrakephd.bsky.social at the @bigbiology.bsky.social podcast about how animals use medicine, what we can learn from them, and my @princetonupress.bsky.social book #DoctorsbyNature on this very topic. Thank you, Marty and John!
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Many Minds podcast @manymindspod.bsky.social · 17/11/2025
It was long thought that domestication leads to reductions in brain size. But as we understand dog brains better, the truth is proving more complicated—and more interesting. Just one of the topics discussed in our latest episode, w/ @erinhecht.bsky.social! Listen: disi.org/of-breeds-an...
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Jaap de Roode @jaapderoode.bsky.social · 17/11/2025
Great opportunity!
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Jaap de Roode @jaapderoode.bsky.social · 17/11/2025
Another great story on fANTastic biology.
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Chris Catano @chriscatano.bsky.social · 10/11/2025
New paper showing how immigration alters the ecological processes structuring the assembly and variation in #Monarch caterpillar gut #microbiomes. w/ @jaapderoode.bsky.social, @gabe-dubose.bsky.social, Joselyne Chavez, Lydia Fuller-Hall Ecology Letters onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
Experimental Immigration Mediates Ecological Selection and Drift in Monarch Microbiome Assembly
The distribution of biodiversity depends on processes operating across scales, yet multiscale paradigms have struggled to permeate host-microbiome research. By integrating multi-scale ecological theo...
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Jaap de Roode @jaapderoode.bsky.social · 10/11/2025
Caterpillar guts are like grasslands: immigration and selection determine gut microbial communities. Thanks @chriscatano.bsky.social for leading this exciting project, and for showing that niche selection is important in caterpillar microbial ecology! onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
Experimental Immigration Mediates Ecological Selection and Drift in Monarch Microbiome Assembly
The distribution of biodiversity depends on processes operating across scales, yet multiscale paradigms have struggled to permeate host-microbiome research. By integrating multi-scale ecological theo...
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Jaap de Roode @jaapderoode.bsky.social · 30/10/2025
What a wonderful overview of how basic science leads the way. World-changing innovation comes from curiosity-driven research. Basic research always leads to applications, we may just not be smart enough to know what those will be. 🧪 www.nature.com/articles/d41...
nature.com
7 basic science discoveries that changed the world
Ozempic, MRI machines and flat screen televisions all emerged out of fundamental research decades earlier — the very types of study being slashed by the US government.
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Jaap de Roode @jaapderoode.bsky.social · 17/10/2025
Wow, nature is too cool! Structures on stinkbug hind legs that used to be interpreted as ears are actually chambers with fungi. The bugs coat their eggs in those fungi to protect them against parasitoid wasps. 🧪 Defensive fungal symbiosis on insect hindlegs | Science www.science.org/doi/10.1126/...
science.org
Defensive fungal symbiosis on insect hindlegs
Dinidorid stinkbugs were reported to possess a conspicuous tympanal organ on female hindlegs. In this study, we show that this organ is specialized to retain microbial symbionts rather than to perceiv...
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Jaap de Roode @jaapderoode.bsky.social · 17/10/2025
Ants - and the researchers studying them - just keep on amazing! 🧪 Architectural immunity: Ants alter their nest networks to prevent epidemics | Science www.science.org/doi/10.1126/...
science.org
Architectural immunity: Ants alter their nest networks to prevent epidemics
In animal groups, spatial structure shapes social interaction patterns, thereby influencing the transmission of infectious diseases. Active modifications to the spatial environment could therefore be ...
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Jaap de Roode @jaapderoode.bsky.social · 16/10/2025
Just finished an amazing trip to Paris to promote my Les Liens Qui Liberent book #nos_grands_medecins, translated from my @princetonupress.bsky.social book #doctorsbynature. My first time doing radio interviews with live interpretation: a great and fun experience. @emorybiology.bsky.social
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Princeton University Press @princetonupress.bsky.social · 15/10/2025
Next week, Oct 21 at 5:30 pm BST, @newcastleuni.bsky.social hosts @jaapderoode.bsky.social for a discussion of his book, Doctors by Nature, exploring how animals use medicine and what it can teach us about healing ourselves. This event is free and open to the public. Save your spot: buff.ly/vjs1oVE
Doctors by Nature: How Ants, Apes, and Other Animals Heal Themselves by Jaap de RoodeJaap de Roode
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Princeton University Press @princetonupress.bsky.social · 11/10/2025
Next week, on Oct 18, go to @newscientist.com Live to see @jaapderoode.bsky.social discuss his book, Doctors by Nature, and the fascinating ways in which animals practice medicine. Among many excellent speakers, be sure to see Jaap at 2:35pm BST! Explore the lineup and book tickets: buff.ly/4YBFj1U
Doctors by Nature: How Ants, Apes, and Other Animals Heal Themselves by Jaap de RoodeJaap de Roode
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Prof Sam Illingworth @samillingworth.com · 15/10/2025
🌿 Nature lifts mood all day Surveying over 2,000 adults, researchers found that visiting parks or watersides boosts happiness for everyone, including those with depression or anxiety. 🔗 doi.org/10.1080/1743... #MentalHealth #SciComm 🧪
doi.org
Happy days are nature days: visiting nature has positive spill-over effects for the entire day among people with and without common mental health disorders
Recreational time in nature is linked to greater positive and fewer negative emotions than time in built settings, but it is unclear whether benefits: a) are short-lived or ‘spill-over’ across the ...
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Jaap de Roode @jaapderoode.bsky.social · 02/10/2025
We live in divided times. But most of us agree that we dislike mosquitoes. In the latest episode of the Virulent Vortex, I talk with Gonzalo Vazquez-Prokopec. As he explains, going back to basic mozzie biology could go a long way in controlling mosquito-borne diseases.🧪 youtu.be/sm5iz48-faA?...
youtu.be
Season 3 - Episode 2 - Gonzalo Vazquez-Prokopec
YouTube video by The MP3 Initiative & IDASTP
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Anita Corbett @acorbe2.bsky.social · 14/07/2025
Our MARC T34 got a new NOA today- also reinstated the IMSD T32 and a summer program- INSPIRE R25- we were reinstated due to involvement with ACLU lawsuit filed on behalf of the American Public Health Association-
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Jaap de Roode @jaapderoode.bsky.social · 23/09/2025
Our latest research, with @iragonese.bsky.social, @saltidog.bsky.social and @richardlovesbirds.bsky.social, shows that elevated temperature can increase monarch butterfly susceptibility to parasitism by reducing the medicinal properties of milkweed. #plant-insect #plant-herbivore 🧪
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KNNV Uitgeverij @knnvuitgeverij.bsky.social · 15/09/2025
“De ware dierendokters: hoe dieren elkaar medisch behandelen. Chimpansees die verbanden aanleggen, muizen die EHBO verlenen: ook dieren verzorgen elkaar, blijkt uit groeiend stapel studies.” #wetenschap #biologie #diergedrag #boek Dokters van nature van @jaapderoode.bsky.social tinyurl.com/4b8eua9h
tinyurl.com
De ware dierendokters: hoe dieren elkaar ‘medisch’ behandelen
Chimpansees die verbanden aanleggen, muizen die EHBO verlenen: ook dieren verzorgen elkaar, blijkt uit een groeiende stapel studies. Vier opmerkelijke voorbeelden.
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Jaap de Roode @jaapderoode.bsky.social · 14/09/2025
In many cases, crowding results in greater disease transmission. However, in monarch butterflies high host density can reduce per capita infection risk. This happens when caterpillars gobble up parasites on milkweed, removing them from the environment.🧪 royalsocietypublishing.org/doi/full/10....
royalsocietypublishing.org
Crowding reduces per-capita parasite infection risk in a butterfly host | Proceedings of the Royal Society B: Biological Sciences
Crowding can result in greater disease transmission, yet crowded hosts may also remove infectious propagules from the environment, thereby lowering the encounter rate and infectious dose received by c...
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Jaap de Roode @jaapderoode.bsky.social · 08/09/2025
From a grant rejection: "I would recommend finding a more cost effective way to conduct the study, such as using labor of a graduate student, which could reduce the overall cost by 80%." To clarify: that would leave $9,856 for 2 years. Shocking! Graduate students are NOT free and forced labor! 🧪
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Jaap de Roode @jaapderoode.bsky.social · 01/09/2025
Mijn @knnvuitgeverij.bsky.social boek ‘Dokters van nature’ is genomineerd voor de shortlist van de Natuurboekenprijs 2025! Hiernaast is er dit jaar een publieksprijs. Mocht je het leuk vinden op mijn boek te stemmen, dan kan dat hier: meedoen.bnnvara.nl/.../publieks.... 🧪
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Jaap de Roode @jaapderoode.bsky.social · 31/08/2025
Wound care in chimpanzees! Like chimpanzees in Central Africa, scientists have now shown that East African chimpanzees also apply flying insects to their own and each other's wounds. This is likely some form of medication, which is more widespread than we thought. 🧪 www.nature.com/articles/s41...
nature.com
Insect applications to open wounds by chimpanzees in the wild: first insights from East African chimpanzees - Scientific Reports
Scientific Reports - Insect applications to open wounds by chimpanzees in the wild: first insights from East African chimpanzees
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Jaap de Roode @jaapderoode.bsky.social · 24/08/2025
So excited and honored that my @knnvuitgeverij.bsky.social book #doktersvannature, translated from my @princetonupress.bsky.social book #doctorsbynature made it to the shortlist for best Netherlands nature book of 2025. Fantastic how many people appreciate nature. 🧪 www.bnnvara.nl/vroegevogels...
bnnvara.nl
Deze vijf boeken maken kans op de Natuurboekenprijs 2025 - Vroege Vogels - BNNVARA
Het winnende natuurboek wordt op zondag 28 september bekendgemaakt tijdens de radiouitzending van Vroege Vogels, voorafgaand aan het Vroege Vogels Festival..
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Athenaeum Boekhandel @athenaeum.nl · 24/08/2025
De shortlist voor de Natuurboekenprijs 2025 is bekend, met de boeken van Eva Meijer, Nikki Dekker, Jeroen Helmer, @jaapderoode.bsky.social en Geert-Jan Roebers & Merlijne Marell. Bekijk de hele lijst, lees meer, bestel: athenaeumscheltema.n...
Logo: Natuurboekenprijs
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Jaap de Roode @jaapderoode.bsky.social · 18/08/2025
Could not agree more. www.nature.com/articles/d41...
nature.com
Cancelling mRNA studies is the highest irresponsibility
The rest of the world is not following the US government’s dangerous path, and will stick with the technology that helped the world out of the COVID-19 pandemic.
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Colin Carlson @colincarlson.bsky.social · 15/08/2025
The only way back to normalcy is through, and that means getting these people out of power. I'm not going to get an NIH grant to do the work I care about until RFK and Jay are out anyway. So I hope you'll read and share our piece. www.statnews.com/2025/08/15/c...
statnews.com
The CDC shooting was public health’s Jan. 6
“In RFK Jr.’s America, it will never be safe to practice public health or medicine," write an epidemiologist and a former CDC staffer.
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Jaap de Roode @jaapderoode.bsky.social · 16/08/2025
Great opportunity!
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Jaap de Roode @jaapderoode.bsky.social · 13/08/2025
Shocking but perhaps unsurprising finding by @findingnature.bsky.social that human connection to nature has declined precipitously. This is bad for our health and for the preservation of nature. The solution? Regreen, and take your kids outside. 🧪 www.theguardian.com/environment/...
theguardian.com
Human connection to nature has declined 60% in 200 years, study finds
Prof Miles Richardson says people risk ‘extinction of experience’ in the natural world without new policies
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Jaap de Roode @jaapderoode.bsky.social · 05/08/2025
Good week for our understanding of manipulative parasites. A fungal pathogen of silk moths produces a host-like trehalose gene that reduces trehalose in the caterpillar's hemolymph. The larva perceives starvation, and fattens up to provide more resources for the fungus. www.cell.com/current-biol...
cell.com
Fungal pathogen promotes caterpillar feeding and weight gain using a host-like trehalase
Zhao et al. report that Cordyceps militaris fungi induce feeding and weight gain in silkworm larvae using an insect-like trehalase. Fungal infection induces a sharp drop in insect blood sugars and the...
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Jaap de Roode @jaapderoode.bsky.social · 05/08/2025
Wow, this new study used a form of the "rubber hand illusion" to show that an octopus experiences body ownership of its own arms. Body ownership is an important feature of self-consciousness, and had previously only been demonstrated in mammals. 🧪 www.cell.com/current-biol...
cell.com
Rubber arm illusion in octopus
The feeling of a body as belonging to oneself is called the sense of body ownership and the centerpiece of conscious experience. Kawashima and Ikeda investigated the sense of body ownership in an octo...
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Jaap de Roode @jaapderoode.bsky.social · 31/07/2025
Another summer; another wonderful undergraduate research project. Congratulations to Marlyne Gonzalez for a fascinating project and beautiful poster. Monarch caterpillars sometimes hardly have any gut microbes! Supported by the INSPIRE program at Emory University and @emorycollege.bsky.social 🧪
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Princeton University Press @princetonupress.bsky.social · 22/07/2025
@jaapderoode.bsky.social (author of Doctors by Nature, available now) spoke with @wired.com about the original wellness influencers: animals. Check it out:
wired.com
Animals Are the Original Wellness Influencers
Long before TikTok and probiotics, animals were teaching each other tips on feeling better, from swallowing leaves to get rid of parasites to using icebergs for exfoliation.
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Jaap de Roode @jaapderoode.bsky.social · 21/07/2025
It was great talking to @cjgiaimo.bsky.social for @wired.com about how animals use medicine on a sketchy phone connection on a moving rain in Germany :-). Bears, caterpillars, ants, and many other animals are health experts, as described in my @princetonupress.bsky.social book #doctorsbynature. 🧪
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Lara K. Mahal @glycocode.bsky.social · 21/07/2025
🧪
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Jaap de Roode @jaapderoode.bsky.social · 16/07/2025
Seattle Friends: I will be at Ada's Technical Books & Cafe on Friday July 25th to talk about how animals use medicine, and what we can learn from them. 🧪 @princetonupress.bsky.social adasbooks.com/event/2025-0...
adasbooks.com
AUTHOR TALK: Doctors by Nature with Jaap de Roode
Ada's Technical Books & Cafe is Seattle's technical bookstore. We build community through science minded literature, a vegetarian cafe, specialty coffee, coworking, and an intimate event venue. Our coworking space, The Office at Ada's, is a neighborhood resource for those looking for a great place to work, whether it's long term or just for the day. Our event venue, The Lab at Ada's, is exceptionally well suited for workshops, birthday parties, wedding receptions, and holiday parties of any kind.
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