🦈❄️ Scientists explain how the #Greenland #shark heart maintains a steady rhythm for over 400 years. New #research into metabolic efficiency and cold-water adaptations shows how these #sharks survive in the North Atlantic.
👉 https://www.scientificamerican.com/article/how-a-greenland-sharks-heart-can-beat-for-centuries/
#marinebiology #ocean #science #biology #arctic #evolution #physiology
🥱🧠 Many people assume yawning is just a sign of boredom but scientists found it serves a specific physiological role.
#MRI scans show that the movement reorganizes the flow of cerebrospinal fluid to help remove waste and regulate #brain temperature.
👉 https://www.independent.co.uk/news/science/yawning-benefits-reveal-evolution-resist-b2970475.html
#science #biology #evolution #neuroscience #health #research #physiology
☀️⏰ #Research shows that permanent daylight saving time causes darker mornings that interfere with our natural #circadian rhythms. This misalignment is linked to higher rates of #cardiovascular #disease and metabolic #health issues in the general population.
👉 https://www.popsci.com/science/permanent-daylight-saving-time-video/
#biology #science #sleep #dst #wellness #medicine #metabolism #physiology
🥱🧠 Neuroscientists at #UNSW #Sydney used #MRI scans to show that yawning moves cerebrospinal fluid and venous blood out of the skull. The biological maneuver differs from deep breathing and suggests that yawning helps clear metabolic waste or cool the #brain.
👉 https://www.sciencealert.com/yawning-does-something-unexpected-in-your-brain-mri-scans-reveal
#sleep #biology #neuroscience #health #science #physiology #evolution #wellness
Metabolic effects and adrenergic upregulation in hyperthyroidism USMLE
#USMLEStep1 #MedEd #Endocrinology #Physiology #Hyperthyroidism #Thyrotoxicosis #Metabolism #Step1Prep #HighYield #MedSchool #InternalMedicine #ThyroidHealth #T3 #T4 #FutureDoctor #StudyGram #MedTwitter #Anki #BoardExams #Medical
Master the metabolic impact of Hyperthyroidism (U01.17.087) for USMLE Step 1. Understand how excess thyroid hormone increases BMR, upregulates $\beta$-1 receptors, and drives heat intolerance through uncoupling protein (UCP) expression. High-yield guide on mymedschool.org.
Hemodynamic parameters and causes of distributive shock USMLE
#USMLEStep1 #MedEd #Cardiology #Pathology #DistributiveShock #Sepsis #Anaphylaxis #ShockPathophysiology #Step1Prep #HighYield #MedSchool #InternalMedicine #CriticalCare #EmergencyMedicine #Physiology #WarmShock #FutureDoctor #StudyGram #
Master the hemodynamics of Distributive Shock (U01.17.083) for USMLE Step 1. Understand the unique "warm shock" profile: decreased Systemic Vascular Resistance (SVR), increased Cardiac Output, and low PCWP. High-yield guide on mymedschool.org.
Hemodynamic parameters of hypovolemic shock USMLE Step 1
#USMLEStep1 #MedEd #Cardiology #Pathology #HypovolemicShock #Shock #EmergencyMedicine #Step1Prep #HighYield #MedSchool #InternalMedicine #CriticalCare #Physiology #FutureDoctor #StudyGram #MedTwitter #Anki #BoardExams #MedicalStudent #FirstAi
Master the stages and hemodynamics of Hypovolemic Shock (U01.17.080) for USMLE Step 1. Learn about decreased preload, increased systemic vascular resistance (SVR), and the RAAS activation response to fluid loss. High-yield guide on mymedschool.org.
Master Index
A guided map across physics, biology, engineering, and AI—built around a simple idea
Persistence is not generated, but permitted.
Systems don’t fail because they “break.”
They fail because their boundaries were misclassified.
Core structure
state → constraint → resolution → persistence
From: - Titanic / Vasa / Challenger
– biological regulation
– AI hallucination & drift
– institutional collapse
Same pattern
only admissible states persist
This is the interface.
Start anywhere. Follow the path that fits.
#HybridMind42 #BoundaryDynamics #BoundaryArchitecture #BFPF #HQP
#Admissibility #ConstraintResolution #StateTransition #Persistence
#ComplexSystems #SystemsThinking #StructuralAnalysis #FailureAnalysis
#Physics #QuantumMechanics #Relativity #Lindblad #CPTP #Decoherence
#Biology #Physiology #Adaptation #Homeostasis
#ArtificialIntelligence #AI #LLM #AIAlignment #AIGovernance
#InstitutionalFailure #DecisionMaking
#Emergence #ScientificClarity
https://substack.com/@hybridmind42/note/c-252017333?r=75c2ac
What if systems don’t fail because they’re weak… but because their boundaries are wrong? I’ve just published the Master Index for the HybridMind42 series. It’s a guided map across everything explored so far: – why systems persist (or don’t) – how failure actually occurs – and why “selection” isn’t a process, but a result of constraint At the core is a simple shift: Persistence is not generated. It is permitted. From physics and biology to engineering and AI, the same structure keeps appearing: state → constraint → resolution → persistence This post isn’t a paper—it’s the front door. If you’re new, there’s a path in. If you’ve been following, this is the map. 🌿🏛️
TKSST • seethis.tv 🌈🪐✨
Duracell Benny ⚡
mymedschool
HybridMind42 & Marvin the Cat
unitedvrg.com