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Explore every episode of the podcast This Week in Evolution

Dive into the complete episode list for This Week in Evolution. Each episode is cataloged with detailed descriptions, making it easy to find and explore specific topics. Keep track of all episodes from your favorite podcast and never miss a moment of insightful content.

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1–50 of 100

TitlePub. DateDuration
TWiEVO 128: Ready, set, cell23 Jul 202601:18:17

Nels and Vincent discuss a chemically defined synthetic cell capable of growth and replication.

Hosts: Nels Elde and Vincent Racaniello

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Nels – Jimothy the short spined racoon in Seattle
Vincent – Nitrogen-fixing organelle in a marine alga

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 127: The barley knew what to mildew23 Jul 202601:16:42

Nels and Vincent discuss molecular mimicry of a pathogen virulence target by a plant immune receptor.

Hosts: Nels Elde and Vincent Racaniello

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Links for this episode Science Picks

Nels – Plug-in solar
Vincent – This Engine Will Reinvent Space Travel

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 126: Beyond Inheritance with Roxanne Khamsi01 Jun 202601:27:33
TWiEVO 126: Beyond Inheritance with Roxanne Khamsi June 1, 2026

Science journalist Roxanne Khamsi joins Nels and Vincent discuss her first book, Beyond Inheritance, which explores how DNA continuously mutates throughout our lives, challenging the idea that our genetic destiny is fixed at birth.

Hosts: Nels Elde and Vincent Racaniello

Guest: Roxanne Khamsi

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Links for this episode

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 125: Evolution's egg timer26 Apr 202600:52:59

Nels and Vincent discuss the development of a comprehensive transcriptomic atlas of early
embryogenesis from 61 animal species to understand the control of gene expression transitions from maternally deposited products to newly transcribed zygotic RNA.

Hosts: Nels Elde and Vincent Racaniello

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Nels – Biologists Confirm Not Much Evolution Happened Today
Vincent – How Trains Take Electricity from Wires Without Breaking Contact

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 124: The little ribozyme that could19 Mar 202601:18:15

Nels and Vincent discuss the discovery of a short RNA with the ability to catalyze its own synthesis.

Hosts: Nels Elde and Vincent Racaniello

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Nels – The University of Illinois Just Released a Popcorn So Good It Doesn't Need Butter
Vincent – Waste Wars: The Wild Afterlife of Your Trash by Alexander Clapp

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 123: Stinkbug eggs with a schmear of fungus19 Mar 202601:21:37

Nels and Vincent explain how stinkbug females smear fungus on their eggs to protect them from wasp parasitism.

Hosts: Nels Elde and Vincent Racaniello

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Nels – Meet the Olympic superstar who trains under the radar in Utah
Vincent – The Discovery That Changed the Universe

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 122: The evolution of selfishness02 Feb 202601:15:21

Nels and Vincent explain how selfishness evolved multiple times from an essential tRNA synthetase gene in a nematode.

Hosts: Nels Elde and Vincent Racaniello

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Nels - From Where Does it STEM?
Vincent - An Act of Cosmic Sabotage

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 121: AI imagines viruses08 Jan 202601:42:23

Nels and Vincent examines the use of AI and genome language models to design novel derivatives of bacteriophage phiX174.

Hosts: Nels Elde and Vincent Racaniello

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Nels – NIH official resigns after flap over risks of seasonal flu virus study and The Office of Science and Technology Policy (OSTP) requests input from all interested parties on Federal policy updates that aim to accelerate the American scientific enterprise, enable groundbreaking discoveries, and ensure that scientific progress and technological innovation benefit all Americans.
Vincent – One Plus One Equals One: Symbiosis and the evolution of complex life by John Archibald

Music on TWiEVO is performed by Trampled by Turtles

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TWiEVO 120: Sparkle pony08 Jan 202601:46:18

Nels and Vincent explain research which shows that insertion of a retrovirus into the genome regulates a novel color trait in swordtail fish.

Hosts: Nels Elde and Vincent Racaniello

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Nels – Some like it hot! A geothermal amoeba sets a new upper temperature limit for eukaryotes and Kara Marshall's talk on history of science/science funding in the US, family connections to medical care, and her own lab's work at Baylor College of Medicine
Vincent – NIH shake-up to grant decision-making draws concerns of political meddling

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 119: Drive fast, take chances, and encode a Y chromosome04 Nov 202501:21:15

Nels and Vincent explain research attempting to explain why among humans, females around the world live on average 5 years longer than males, but the trend is reversed in many birds, amphibians, and insects.

Hosts: Nels Elde and Vincent Racaniello

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Links for this episode Science Picks 1:37:00

Nels – NIH Leadership Is Failing Early Career Researchers
Vincent – Kennedy's Comments on Circumcision Are Only Going to Confuse and Shame Parents

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

 

TWiEVO 118: Mother of an unrelated brother14 Oct 202501:49:08

Nels and Vincent discuss research which shows a shift from the rule that living organisms produce same-species offspring: an ant that produces individuals from two distinct species.

Hosts: Nels Elde and Vincent Racaniello

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Nels – Dr. Bill Rom, NYU canoes every lake connected by a portage trail in the Boundary Waters in Minnesota
Vincent – Google just made photography obsolete

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 117: Genes that don't leave20 Aug 202501:38:13

Nels and Vincent discuss research on hidden evolutionary constraints that dictate the retention of coronavirus accessory gene, which was flagged by NIH as potentially dangerous gain-of-function research.

Hosts: Nels Elde and Vincent Racaniello

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Nels – NIH suspends dozens of pathogen studies over 'gain-of-function' concerns and Mentorship and acts of kindness
Vincent – Kennedy's case against mRNA vaccines collapses under his own evidence

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 116: An ant and two fungi walk into a bar and meet a naked mole rat23 Jul 202500:57:23

Nels and Vincent review research on how neuropeptides influence the behavior of leafcutter ants, and regulate the different caste behaviors such as defenders, leaf foragers, brood care, and fungus farming.

Hosts: Nels Elde and Vincent Racaniello

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Nels – My academic job offer was rescinded. I'll keep going—but U.S. researchers are running out of road
Vincent – There's a new acid in our rain — should we be worried?

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 115: Even the archaea are going viral18 Jun 202501:28:58

Nels and Vincent discuss an ultra reduced archaeal genome, the closest cellular entity to date that approaches a viral strategy of existence.

Hosts: Nels Elde and Vincent Racaniello

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Links for this episode Science Picks

Nels – The Bethesda Declaration
Vincent – US to Drop Guidance to Limit Alcohol to One or Two Drinks Per Day, Sources Say

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 114: The best experiments ever done21 May 202501:31:54

Nels and Vincent review the properties of Mendel's pea genes through the lens of modern genetic analysis.

Hosts: Nels Elde and Vincent Racaniello

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Links for this episode Science Picks

Nels – Evolution related game
Vincent – Should Unvaccinated Patients Get Organ Transplants? Ethicist Weighs In

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 113: A wolf in wolf's clothing23 Apr 202501:27:05

Nels and Vincent explain the ancestry and evolution of the extinct dire wolf.

Hosts: Nels Elde and Vincent Racaniello

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Nels – Navigating to the forefront of innovation: A celebration of immigrant scientists
Vincent – Exclusive: a Nature analysis signals the beginnings of a US science brain drain

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 112: Sex-Z cephalopods26 Mar 202501:27:25

Nels and Vincent explain the ancient evolutionary origin of sex in cephalopods.

Hosts: Nels Elde and Vincent Racaniello

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Nels – Speaking into a microphone? Your audio quality can impact the way people view you
Vincent – Remedy Supported by Kennedy Leaves Some Measles Patients More Ill

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 111: Copy that, genome26 Feb 202501:26:51

Nels and Vincent explain how template switching during DNA replication is a widespread source of adaptive gene amplification.

Hosts: Nels Elde and Vincent Racaniello

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Links for this episode Science Picks

Nels – Jeremy Berg on Bluesky – jeremymberg.bsky.social
Vincent – Dickson Despommier, 84

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 110: Ants go from carpenters to surgeons22 Jan 202501:23:57

Nels and Vincent reveal that worker ants amputate their colleagues injured leg to prevent infections.

Hosts: Nels Elde and Vincent Racaniello

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Links for this episode Science Picks

Nels – The Science Bridge
Vincent – US withdraws from WHO

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 109: On the origins of orange31 Dec 202401:16:01

Nels and Vincent discuss the molecular and genetic origins of sex-linked orange coat color in cats.

Hosts: Nels Elde and Vincent Racaniello

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Nels – AI takes up science podcasting
Vincent – Humans evolved for distance running – but ancestor 'Lucy' didn't go far or fast

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 108: A virus in every parasite20 Nov 202401:18:42

Nels and Vincent review the identification of a novel virus associated with the pathogen Plasmodium knowlsei and which is part part of a diverse and unclassified viral taxon.

Hosts: Nels Elde and Vincent Racaniello

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Nels – The peace of wild things, poem by Wendell Berry
Vincent – All Life on Earth Today Descended From a Single Cell. Meet LUCA

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 107: One small step for cells, one giant step for cell kind30 Oct 202401:32:29

Nels and Vincent discuss the origins of eukaryotes, with contributions from at least 3 bacteria (alphaproteobacteria) and a large contribution from DNA viruses with large genomes.

Hosts: Nels Elde and Vincent Racaniello

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Links for this episode Science Picks

Nels – Pathoplexus.org
Vincent – Can science cure its addiction to plastic?

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 106: What's old immunity is new again30 Sep 202401:28:49

Nels and Vincent explain how homology searches of anti-phage systems in eukaryotic genomes can be used to discover proteins of the human immune system.

Hosts: Nels Elde and Vincent Racaniello

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Links for this episode Science Picks

Nels – Pathoplexus.org
Vincent – Can science cure its addiction to plastic?

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 105: Not every rose has its thorn30 Sep 202401:31:09

Nels and Vincent look at how plant prickles, sharp epidermal projections that provide defense from predators and other advantages, arose by convergent evolution, the emergence of analogous traits in distantly related species.

Hosts: Nels Elde and Vincent Racaniello

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Nels – Trees as a metaphor to understand relationships in biology
Vincent – Project 2025 vs. The Public's Health

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 104: Wooly mammoth prosciutto31 Jul 202401:17:37

Nels and Vincent discuss the genome sequence of an ancient wooly mammoth, which shows that the three-dimensional architecture of the DNA can persist after 50,000 years.

Hosts: Nels Elde and Vincent Racaniello

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Links for this episode Science Picks

Nels – Mysterious SARS-CoV-2 variants showing up in sewer samples
Vincent – 'Cocaine sharks' found in waters off Brazil

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 103: Change the world by duplicating yourself09 Jul 202401:38:49

Nels and Vincent explore a direct experimental test of Ohno's Hypothesis, which states that gene duplication can help genes tolerate new mutations and thus facilitates the evolution of new phenotypes.

Hosts: Nels Elde and Vincent Racaniello

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Nels – Experimental Evolution and the Nature of Biodiversity
Vincent – Is science's dominant funding model broken?

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 102: Kelp gets some viral help09 May 202401:30:04

Nels and Vincent explain how deep genomics of macroalgae illuminate multiple paths to aquatic, photosynthetic multicellularity.

Hosts: Nels Elde and Vincent Racaniello

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Nels – 12-sided Roman relic baffles archaeologists, spawns countless theories
Vincent – TWiEVO 11: Microbial accomplices in multicellularity and the follow up Synergistic Cues from Diverse Bacteria Enhance Multicellular Development in a Choanoflagellate

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 101: 99 problems but a tail ain't one08 May 202401:34:48

Nels and Vincent review the genetic basis for tail-loss evolution in humans and apes.

Hosts: Nels Elde and Vincent Racaniello

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Nels – Will Brie and Camembert Cheeses Go Extinct?
Vincent – A True Human Tail in a Neonate: Case report and literature review

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 99: A shocking means to move genes08 May 202401:12:44

Nels and Vincent reveal how electric organ discharge from the electric eel facilitates the introduction of DNA into teleost larvae.

Hosts: Nels Elde and Vincent Racaniello

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Nels – "The Jump" quilt by Cristina Arcenegui Bono
Vincent – T4 bacteriophage art object and Gwenbeads Etsy shop

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 100: Spaces that celebrate science10 Mar 202401:31:24

Rich Condit joins Nels and Vincent at the Science Mill in Johnson City, Texas, where Director of STEM Education Jeehyun Park talks about the goals of the childrens' museum.

Hosts: Nels Elde, Vincent Racaniello, and Rich Condit

Guest: Jeehyun Park

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Links for this episode Science Picks

Nels – Science Mill: More Than a Museum and Elde Lab Video
Rich – The Moon May Get Its Own Time Zone (Claire Fahy, NYT 3/7/2023)
Vincent – SXSW Session "From Adversary to Ally: Reimagining Viruses as Medicines"

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 98: The worms strike back!27 Feb 202401:19:54

Nels and Vincent discuss how behavioural individuality determines infection risk in clonal ant colonies.

Hosts: Nels Elde and Vincent Racaniello

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Nels – Fungi (lichens) in Space
Vincent – Polar bear energetic and behavioral strategies on land with implications for surviving the ice-free period

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 97: Germs trapping worms27 Feb 202401:17:27

Nels and Vincent review a study of the key processes required for the different stages of fungal carnivory by a nematode-trapping fungus.

Hosts: Nels Elde and Vincent Racaniello

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Nels – Openly available illustrations as tools to describe eukaryotic microbial diversity
Vincent – Dana-Farber retractions: meet the blogger who spotted problems in dozens of cancer papers

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 96: Going bananas over the origins of corn26 Dec 202301:29:20

Nels and Vincent discuss the origins of two modern day agriculturally important plants: a role for two different wild teosintes in making modern maize, and the origin and evolution of the triploid cultivated banana genome.

Hosts: Nels Elde and Vincent Racaniello

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Links for this episode Science Picks

Nels – Why we need an academic career path that combines science and art – Nature Careers Podcast
Vincent – Science's 2023 Breakthrough and Breakdown

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 95: Watering the viruses until they bloom14 Nov 202301:01:30

Nels and Vincent discuss how the rewetting of seasonally dried soils, a critical event in Mediterranean grasslands that reactivates dormant soil microorganisms, leading to pulses of carbon and nitrogen mineralization, and is accompanied by a bloom of viral diversity, followed by extensive viral community turnover.

Hosts: Nels Elde and Vincent Racaniello

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Links for this episode Science Picks

Nels - Bluesky
Vincent - Cancer Virus Hunters: A History of Tumor Virology

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 94: A bacteria, a phage, and a selfish element walk into a cryptomonad29 Sep 202301:37:03

Nels and Vincent take apart an amazing symbiosis consisting of two bacteria, one bacteriophage, and seven different genomes all within a single-celled alga.

Hosts: Nels Elde and Vincent Racaniello

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Links for this episode

•Join the MicrobeTV Discord server
•A single crowded cryptomonad cell (Curr Biol)
•Letters read on TWiEVO 94

Science Picks

Nels – What happened at NIH during the last government shutdown
Vincent – Geneticist J. Craig Venter: 'I consider retirement tantamount to death'

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 93: Faster than a speeding bacteria25 Aug 202301:30:29

Nels and Vincent review a collision of synthetic biology and experimental evolution, using a minimal synthetic bacterial cell with only 473 genes, the smallest genome of any known organism that can be grown in lab culture.

Hosts: Nels Elde and Vincent Racaniello

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Links for this episode

•Join the MicrobeTV Discord server
• Evolution of a minimal cell (Nature)

Science Picks

Nels – Life magnified stamp collection

Vincent – Matters Microbial

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 92: There's algae in the jar21 Jul 202301:35:42

Nels and Vincent explain a study of how interspecies competition between two algae influences evolution of metabolism and size.

Hosts: Nels Elde and Vincent Racaniello

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Links for this episode

•Join the MicrobeTV Discord server
• Metabolic evolution during competition (Curr Biol)

Science Picks

Nels – How amino acids got their names (Source)

Vincent – EVs Fix One Pollution Problem—And Worsen Another

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 91: Meet your very distant cousins17 Jul 202301:31:50

Nels and Vincent discuss new findings using phylogenetic approaches about how complex eukaryotic cells emerged from prokaryotic ancestors, which firmly place eukaryotes as a clade nested within the Asgard archaea.

Hosts: Nels Elde and Vincent RacanielloS

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Links for this episode

•Join the MicrobeTV Discord server
•Heimdallarchaeial ancestry of eukaryotes (Nature)

Science Picks

Nels – Juneteenth issue of Cell – collection of essays from black and brown scientists

Vincent – Tara Oceans

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 90: The mystery of the mouse mummies12 May 202301:27:40

Nels and Vincent provide insights into the mystery of mouse mummies on the summits of >6000 m Andean volcanoes, including whether they were living there and if so why?

Hosts: Nels Elde and Vincent Racaniello

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Links for this episode

•Join the MicrobeTV Discord server
•Mystery of mouse mummies (bioRxiv)

Science Picks

Nels – Zoonomia
Vincent – SeaPhages

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

TWiEVO 89: On the outer rim of tumor evolution25 Apr 202301:40:58

Nels and Vincent discuss the observation that cells on a boundary of a solid tumor have higher growth rates compared to those in the center and how to model this difference using genome sequencing data.

Hosts: Nels Elde and Vincent Racaniello

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Links for this episode

•Join the MicrobeTV Discord server
•Evolutionary models of solid tumor growth (Nat Ecol Evol)

Science Picks

Nels – TWiV 1000
Vincent – The dream of wiping out polio might need a rethink

Music on TWiEVO is performed by Trampled by Turtles

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TWiEVO 88: Dog days of evolution in the shadows of Chernobyl26 Mar 202301:15:55

Nels and Vincent review a study of the dogs of Chernobyl which reveals that genetically distinct populations with different amounts of western breed contributions to their genomes, the first step in assessing the effects of exposure to long-term ionizing radiation.

Hosts: Nels Elde and Vincent Racaniello

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Links for this episode

•Join the MicrobeTV Discord server
•The dogs of Chernobyl (Science Adv)
•What the dogs of Chernobyl can teach us (Stat)
•Letters read on TWiEVO 88

Science Picks

Nels – Hellbent documentary and Insufficient evidence for natural selection associated with the Black Death
Vincent – BioRender

Listener Pick

Walter – Oded Rechavi and interview

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TWiEVO 87: Nathan Clark's revolutionary hair care advice21 Feb 202301:34:03

Nathan joins Nels and Vincent to discuss his approach to understanding how species adopt novel traits to overcome challenges, and its application to identifying coding and noncoding sequence changes that underlie mammalian hairlessness.

Hosts: Nels Elde and Vincent Racaniello

Guest: Nathan Clark

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Links for this episode

•Join the MicrobeTV Discord server
•Gene loss in marine mammals (TWiEVO 34)
•Gene change underlying mammalian hair loss (eLife)
•Letters read on TWiEVO 87

Science Picks

Nels – Local news coverage of Amanda, Maria, and Nathan's paper
Vincent – Discovering Retroviruses by Anna Marie Skalka
Nathan – Genomics of Secondarily Temperate Adaptation in the Only Non-Antarctic Icefish

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TWiEVO 86: Pulling out the stops in genetic code evolution05 Feb 202301:45:15

Nels and Vincent discuss how evolution of changes in stop codon assignment might occur, and a novel mechanism for altering the meaning of translation stop codons discovered in a trypanosomatid with the apropos name, Blastocrithidia nonstop.

Hosts: Nels Elde and Vincent Racaniello

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Links for this episode

•Join the MicrobeTV Discord server
•Novel stop codon reassignment mechanisms (Nature)

Science Picks

Nels – Protein Synthesis: An epic on the cellular level 

Vincent – Widespread stop-codon recoding in bacteriophages may regulate translation of lytic genes discussed on TWiM 277

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TWiEVO 85: Teaching old dogs new genetic tricks21 Dec 202201:37:16

Nels and Vincent discuss the use of genome sequence data for over 4,000 domestic, semi-feral, and wild canids to understand the genetic drivers of canine behavior.

Hosts: Nels Elde and Vincent Racaniello

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Links for this episode Science Picks

Nels – Ghosts of Science Past Still Haunt Us by C. Brandon Ogbunu
Vincent – The Biggest Ideas in the Universe by Sean Carroll

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TWiEVO 84: Decoding our defenses to the Black Death08 Nov 202201:31:42

Nels and Vincent review the use of ancient DNA to identify loci that may have been under selection during the Black Death by studying populations before, during, and after the pandemic.

Hosts: Nels Elde and Vincent Racaniello

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Links for this episode Science Picks

Nels – Interview with Paul Turner in Current Biology and Map of the World if you are a fish
Vincent – Smallpox and its eradication

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TWiEVO 83: Evolution spreads its wings (and then loses them)24 Oct 202201:32:20

Florian Maderspacher from Current Biology joins Nels and Vincent to discuss a special issue of the journal on birds.

Hosts: Nels Elde and Vincent Racaniello

Guest: Florian Maderspacher

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Links for this episode Science Picks

Florian – Favorite birds of authors/contributors in Birds issue
Nels –Loss of avian intromittent organs as a sperm competition strategy: a race to be last
Vincent – Malaria at the Bronx Zoo (TWiP 110)

Music on TWiEVO is performed by Trampled by Turtles

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TWiEVO 82: A genetic hack for the human brain25 Sep 202201:32:27

Nels and Vincent consider evidence that a single amino acid change in the TKTL1 gene might have led to greater neurogenesis in the frontal cortex of modern humans compared with Neanderthals.

Hosts: Nels Elde and Vincent Racaniello

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Links for this episode Science Picks

Nels – Unusual display of elements
Vincent – Sykdomspulsen and summary

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TWiEVO 81: Evolution's new and improved slime molds24 Aug 202201:26:19

Nels and Vincent discuss how duplication of a gene encoding a transcription factor led to evolution of a novel cell type in the slime mold Dictyostelium.

Hosts: Nels Elde and Vincent Racaniello

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Links for this episode Science Picks

Nels – Dall-E artificial intelligence meets art
Vincent – John Bonner's slime mold movies

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TWiEVO 80: Viruses of a feather bottleneck together01 Aug 202201:24:16

Louise Moncla joins Nels and Vincent to review her use of genomics to understand emergence, evolution, and transmission of respiratory viruses including influenza virus H5N1, mumps virus, and SARS-CoV-2.

Hosts: Nels Elde and Vincent Racaniello

Guest: Louise Moncla

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Links for this episode Science Picks

Nels – JWST Images
Vincent – 3rd International Symposium on Infectious Diseases of Bats and Program

Music on TWiEVO is performed by Trampled by Turtles

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TWiEVO 79: When the immune system is away, SARS-CoV-2 will play02 Jul 202201:38:30

Nels and Vincent discuss an analysis of the drivers of evolution of SARS-CoV-2 during chronic infections, indicating that a tradeoff exists between antibody evasion and fitness.

Hosts: Nels Elde and Vincent Racaniello

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Download TWiEVO 79  (103 MB .mp3, 86 min)
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Links for this episode Science Picks

Nels – NASA scientists say images from the Webb telescope nearly brought them to tears
Vincent – FDA: Don't rush a move to change the Covid-19 vaccine composition

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to twievo@microbe.tv

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