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#evolutionarybiology — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #evolutionarybiology, aggregated by home.social.

  1. DATE: August 31, 2026 at 08:53AM
    SOURCE: SCIENCE DAILY PSYCHOLOGY FEED

    TITLE: Scientists challenge a 70-year-old “lizard brain” myth

    URL: sciencedaily.com/releases/2026

    A long-standing picture of brain evolution as newer, rational layers stacked on top of an ancient “lizard brain” may be deeply misleading. Researchers found that evolution instead appears to balance two competing styles of brain wiring, expanding one while shrinking the other depending on what an animal needs to survive.

    URL: sciencedaily.com/releases/2026

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    Unofficial Psychology Today Xitter to toot feed at Psych Today Unofficial Bot @PTUnofficialBot

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    #psychology #counseling #socialwork #psychotherapy @psychotherapist @psychotherapists @psychology @socialpsych @socialwork @psychiatry #mentalhealth #psychiatry #healthcare #depression #psychotherapist #BrainEvolution #LizardBrainMyth #Neuroscience #BrainWiring #EvolutionaryBiology #ScienceNews #ResearchUpdate #AnimalBrains #NeuralNetworks #CognitiveScience

  2. DATE: August 31, 2026 at 08:53AM
    SOURCE: SCIENCE DAILY MIND-BRAIN FEED

    TITLE: Scientists challenge a 70-year-old “lizard brain” myth

    URL: sciencedaily.com/releases/2026

    A long-standing picture of brain evolution as newer, rational layers stacked on top of an ancient “lizard brain” may be deeply misleading. Researchers found that evolution instead appears to balance two competing styles of brain wiring, expanding one while shrinking the other depending on what an animal needs to survive.

    URL: sciencedaily.com/releases/2026

    -------------------------------------------------

    Private, vetted email list for mental health professionals: clinicians-exchange.org

    Unofficial Psychology Today Xitter to toot feed at Psych Today Unofficial Bot @PTUnofficialBot

    -------------------------------------------------

    #psychology #counseling #socialwork #psychotherapy @psychotherapist @psychotherapists @psychology @socialpsych @socialwork @psychiatry #mentalhealth #psychiatry #healthcare #depression #psychotherapist #BrainEvolution #LizardBrainMyth #Neuroscience #BrainWiring #EvolutionaryBiology #ScienceNews #Neurobiology #AnimalBrains #CognitiveScience #MythBusting

  3. A cognitive study using non-invasive eye-tracking technology to quantify how gibbons visually process faces, revealing a strong preference for looking at the eyes, particularly those of their own species.
    #Ethology #Primatology #EvolutionaryBiology #CognitivePsychology #BehavioralEcology #sflorg
    sflorg.com/2026/08/ebio0826260

  4. The rate-mismatch hypothesis posits that global mass extinctions occur when the pace of environmental change outstrips the rate at which biological life can undergo evolutionary adaptation. It provides a mathematical model linking Earth's historic extinction events to the critical disparities between environmental shifts and species' adaptive capabilities.
    #Paleobiology #Paleoclimatology #Geophysics #AppliedMathematics #EvolutionaryBiology #sflorg
    sflorg.com/2026/06/pal06242601

  5. The rate-mismatch hypothesis posits that global mass extinctions occur when the pace of environmental change outstrips the rate at which biological life can undergo evolutionary adaptation. It provides a mathematical model linking Earth's historic extinction events to the critical disparities between environmental shifts and species' adaptive capabilities.
    #Paleobiology #Paleoclimatology #Geophysics #AppliedMathematics #EvolutionaryBiology #sflorg
    sflorg.com/2026/06/pal06242601

  6. The rate-mismatch hypothesis posits that global mass extinctions occur when the pace of environmental change outstrips the rate at which biological life can undergo evolutionary adaptation. It provides a mathematical model linking Earth's historic extinction events to the critical disparities between environmental shifts and species' adaptive capabilities.
    #Paleobiology #Paleoclimatology #Geophysics #AppliedMathematics #EvolutionaryBiology #sflorg
    sflorg.com/2026/06/pal06242601

  7. The rate-mismatch hypothesis posits that global mass extinctions occur when the pace of environmental change outstrips the rate at which biological life can undergo evolutionary adaptation. It provides a mathematical model linking Earth's historic extinction events to the critical disparities between environmental shifts and species' adaptive capabilities.
    #Paleobiology #Paleoclimatology #Geophysics #AppliedMathematics #EvolutionaryBiology #sflorg
    sflorg.com/2026/06/pal06242601

  8. The rate-mismatch hypothesis posits that global mass extinctions occur when the pace of environmental change outstrips the rate at which biological life can undergo evolutionary adaptation. It provides a mathematical model linking Earth's historic extinction events to the critical disparities between environmental shifts and species' adaptive capabilities.
    #Paleobiology #Paleoclimatology #Geophysics #AppliedMathematics #EvolutionaryBiology #sflorg
    sflorg.com/2026/06/pal06242601

  9. The ability to form and break habits is an evolutionary adaptation that allows animals to automate complex tasks, significantly reducing mental effort and preserving cognitive resources for survival.
    #EvolutionaryBiology #BehavioralEcology #ComparativePsychology #sflorg
    sflorg.com/2026/06/ebio0622260

  10. Interspecies cooperation is a behavioral phenomenon where animals from different species work together for mutual benefit by exchanging information. This teamwork relies heavily on communication through specific cues and signals to coordinate complementary actions and achieve shared goals.
    #BehavioralEcology #Zoology #EvolutionaryBiology #Mutualism #sflorg
    sflorg.com/2026/06/eco06222602

  11. Behavioral ecology is the study of the evolutionary basis for animal behavior due to ecological pressures. It examines how behavior evolves, functions, and adapts in response to an organism's environment.
    #BehavioralEcology #evolutionarybiology #ethology #ecology #sflorg
    sflorg.com/2026/06/cat06212601

  12. So if I understood this article correctly, the key conclusion is this - metamorphosis was not the condition for moving onto land?

    The traditional picture was:

    Tetrapods could leave water because they first evolved a tadpole-like larval stage and then metamorphosed.

    The new interpretation suggested by these fossils is closer to:

    Tetrapods gradually adapted to land over evolutionary time, and they probably did not need a frog-like metamorphosis to do it.

    In other words, metamorphosis was probably not a prerequisite for terrestrial life. Instead, the transition from water to land appears to have been a long, gradual evolutionary process affecting the whole life cycle, rather than depending on a distinct larval stage.

    Analogy of two possible scenarios:

    Old model

    • Young live in water.
    • Undergo a major developmental transition.
    • Adults become adapted to life on land.

    New model

    • Young and adults share the same basic body plan.
    • Land adaptations accumulate gradually over millions of years (generations).

    So the narrative shifts from:

    Metamorphosis enabled the move onto land

    to:

    The move onto land happened gradually, and amphibian-style metamorphosis likely evolved later as a specialized adaptation.

    404media.co/a-new-fossil-disco

    #Biology #Evolutionary #EvolutionaryBiology #Fossil #Discovery #Metamorphosis #Tetrapods #Science

  13. So if I understood this article correctly, the key conclusion is this - metamorphosis was not the condition for moving onto land?

    The traditional picture was:

    Tetrapods could leave water because they first evolved a tadpole-like larval stage and then metamorphosed.

    The new interpretation suggested by these fossils is closer to:

    Tetrapods gradually adapted to land over evolutionary time, and they probably did not need a frog-like metamorphosis to do it.

    In other words, metamorphosis was probably not a prerequisite for terrestrial life. Instead, the transition from water to land appears to have been a long, gradual evolutionary process affecting the whole life cycle, rather than depending on a distinct larval stage.

    Analogy of two possible scenarios:

    Old model

    • Young live in water.
    • Undergo a major developmental transition.
    • Adults become adapted to life on land.

    New model

    • Young and adults share the same basic body plan.
    • Land adaptations accumulate gradually over millions of years (generations).

    So the narrative shifts from:

    Metamorphosis enabled the move onto land

    to:

    The move onto land happened gradually, and amphibian-style metamorphosis likely evolved later as a specialized adaptation.

    404media.co/a-new-fossil-disco

    #Biology #Evolutionary #EvolutionaryBiology #Fossil #Discovery #Metamorphosis #Tetrapods #Science

  14. So if I understood this article correctly, the key conclusion is this - metamorphosis was not the condition for moving onto land?

    The traditional picture was:

    Tetrapods could leave water because they first evolved a tadpole-like larval stage and then metamorphosed.

    The new interpretation suggested by these fossils is closer to:

    Tetrapods gradually adapted to land over evolutionary time, and they probably did not need a frog-like metamorphosis to do it.

    In other words, metamorphosis was probably not a prerequisite for terrestrial life. Instead, the transition from water to land appears to have been a long, gradual evolutionary process affecting the whole life cycle, rather than depending on a distinct larval stage.

    Analogy of two possible scenarios:

    Old model

    • Young live in water.
    • Undergo a major developmental transition.
    • Adults become adapted to life on land.

    New model

    • Young and adults share the same basic body plan.
    • Land adaptations accumulate gradually over millions of years (generations).

    So the narrative shifts from:

    Metamorphosis enabled the move onto land

    to:

    The move onto land happened gradually, and amphibian-style metamorphosis likely evolved later as a specialized adaptation.

    404media.co/a-new-fossil-disco

    #Biology #Evolutionary #EvolutionaryBiology #Fossil #Discovery #Metamorphosis #Tetrapods #Science

  15. So if I understood this article correctly, the key conclusion is this - metamorphosis was not the condition for moving onto land?

    The traditional picture was:

    Tetrapods could leave water because they first evolved a tadpole-like larval stage and then metamorphosed.

    The new interpretation suggested by these fossils is closer to:

    Tetrapods gradually adapted to land over evolutionary time, and they probably did not need a frog-like metamorphosis to do it.

    In other words, metamorphosis was probably not a prerequisite for terrestrial life. Instead, the transition from water to land appears to have been a long, gradual evolutionary process affecting the whole life cycle, rather than depending on a distinct larval stage.

    Analogy of two possible scenarios:

    Old model

    • Young live in water.
    • Undergo a major developmental transition.
    • Adults become adapted to life on land.

    New model

    • Young and adults share the same basic body plan.
    • Land adaptations accumulate gradually over millions of years (generations).

    So the narrative shifts from:

    Metamorphosis enabled the move onto land

    to:

    The move onto land happened gradually, and amphibian-style metamorphosis likely evolved later as a specialized adaptation.

    404media.co/a-new-fossil-disco

    #Biology #Evolutionary #EvolutionaryBiology #Fossil #Discovery #Metamorphosis #Tetrapods #Science

  16. So if I understood this article correctly, the key conclusion is this - metamorphosis was not the condition for moving onto land?

    The traditional picture was:

    Tetrapods could leave water because they first evolved a tadpole-like larval stage and then metamorphosed.

    The new interpretation suggested by these fossils is closer to:

    Tetrapods gradually adapted to land over evolutionary time, and they probably did not need a frog-like metamorphosis to do it.

    In other words, metamorphosis was probably not a prerequisite for terrestrial life. Instead, the transition from water to land appears to have been a long, gradual evolutionary process affecting the whole life cycle, rather than depending on a distinct larval stage.

    Analogy of two possible scenarios:

    Old model

    • Young live in water.
    • Undergo a major developmental transition.
    • Adults become adapted to life on land.

    New model

    • Young and adults share the same basic body plan.
    • Land adaptations accumulate gradually over millions of years (generations).

    So the narrative shifts from:

    Metamorphosis enabled the move onto land

    to:

    The move onto land happened gradually, and amphibian-style metamorphosis likely evolved later as a specialized adaptation.

    404media.co/a-new-fossil-disco

    #Biology #Evolutionary #EvolutionaryBiology #Fossil #Discovery #Metamorphosis #Tetrapods #Science

  17. Dwarf mongooses anticipate future encounters with rival groups and proactively adjust their movement, communication, and resource defense strategies, even in the absence of an immediate threat.
    #BehavioralEcology #Ethology #EvolutionaryBiology #Zoology #sflorg
    sflorg.com/2026/06/bs06162601.

  18. Rhodoliths are unattached, pebble-like marine nodules formed primarily by calcifying coralline algae that serve as vital habitats and contribute to long-term carbon storage in ocean sediments.
    #Phycology #Botany #MarineBiology #EvolutionaryBiology #Taxonomy #sflorg
    sflorg.com/2026/06/bot06092601

  19. Avian kleptoparasitism is a behavioral ecological phenomenon wherein birds steal nest-building materials, such as twigs and moss, from the nests of neighboring individuals rather than foraging for them independently.
    #Ornithology #BehavioralEcology #EvolutionaryBiology #Conservation #sflorg
    sflorg.com/2026/04/bs04152601.

  20. 🦗 Could insect ears inspire the future of acoustic technology?

    🔗 Comparative Analysis of Morphological and Acoustic Correlates of Bush-Cricket Tympanic Membranes. Computational and Structural Biotechnology Journal (CSBJ). DOI: doi.org/10.34133/csbj.0035

    📚 CSBJ - A Science Partner Journal: spj.science.org/journal/csbj

    #Bioinspiration #Biomimetics #Acoustics #Bioacoustics #EvolutionaryBiology #Biosensors #Entomology #Neuroscience

  21. Human pressure and biodiversity modify forest resilience after extreme multi-year droughts

    Seidl, R. et al. Forest disturbances under climate change. Nat. Clim. Change 7, 395–402 (2017). Article  Google Scholar …
    #NewsBeep #News #Environment #BiologicalandPhysicalAnthropology #CA #Canada #Climate-changeimpacts #Ecology #Environmentalimpact #EvolutionaryBiology #general #LifeSciences #Naturalhazards #Paleontology #Science #Zoology
    newsbeep.com/ca/515930/

  22. Human pressure and biodiversity modify forest resilience after extreme multi-year droughts

    Seidl, R. et al. Forest disturbances under climate change. Nat. Clim. Change 7, 395–402 (2017). Article  Google Scholar …
    #NewsBeep #News #Environment #AU #Australia #BiologicalandPhysicalAnthropology #Climate-changeimpacts #Ecology #Environmentalimpact #EvolutionaryBiology #general #LifeSciences #Naturalhazards #Paleontology #Science #Zoology
    newsbeep.com/au/519779/

  23. Twenty years of tuberculosis-driven selection shaped the evolution of the meerkat major histocompatibility complex

    Fijarczyk, A. & Babik, W. Detecting balancing selection in genomes: limits and prospects. Mol. Ecol. 24, 3529–3545 (2015).…
    #NewsBeep #News #Science #AU #Australia #BiologicalandPhysicalAnthropology #Coevolution #Ecology #EvolutionaryBiology #Evolutionaryecology #general #LifeSciences #Paleontology #Sequencing #Zoology
    newsbeep.com/au/94480/

  24. Shotgun sequencing of airborne eDNA achieves rapid assessment of whole biomes, population genetics and genomic variation

    Permitting The analysis of human-derived eDNA from field obtained samples and human-related sampling was conducted…
    #NewsBeep #News #Genetics #BiologicalandPhysicalAnthropology #CA #Canada #Ecologicalgenetics #Ecology #Epidemiology #EvolutionaryBiology #general #Geneticvariation #LifeSciences #Molecularecology #Paleontology #Science #Zoology
    newsbeep.com/ca/10208/

  25. Story Collider returns for #Evol2024! This in-person event will feature true, personal stories from members of the evolutionary biology community. We are seeking story pitches from now until May 17. Submit yours today! evolutionsociety.org/news/disp

    #StoryCollider #storytelling #sciencestories #evolution #EvolutionaryBiology

  26. We used #outlieranalysis and #telemetry and found that migration success of Atlantic #salmon depended on genotype. See what you think:
    biorxiv.org/content/10.1101/20
    (boosts welcome, first time I’ve properly tried to share some science since the other place)

    #EvolutionaryBiology
    #FishSci
    #smolt
    #AnimalMigration
    #SNPmarkers
    #salmonid
    Photo: Stuart Brabbs, Ayrshire Rivers Trust

  27. Cool #preprint of #EvolutionaryBiology by Bohutínská et al: "Repeated adaptation to whole genome duplication in outcrossing Arabidopsis is mediated by mosaic adaptive haplotypes" #EvolgenPaper
    biorxiv.org/content/10.1101/20

  28. Food for thought #Samples from higher #paleolatitudes were on average smaller, but contained #outliers with the largest #sizes, highlighting the need to analyze entire #distributions. #Lithology and #collection differences need to be accounted for when evaluating #size differences across #space (#polar #gigantism) and #time (#Lilliput #effect). Similarly, differences in #facies may affect #species #determination

    doi.org/10.2110/palo.2021.063

    #Paleobiology #Paleontology #Ecology #EvolutionaryBiology