A neuron from the striatum of an adult rat brain, densely covered in dendritic spines. These tiny protrusions host most excitatory synapses and change shape as neural circuits strengthen or weaken. Image credit: Stephanie Huang #FluorescenceFriday #Neuroscience #Microscopy

How Stress Shapes Organ Development Mechanical strain doesn’t just deform tissue, it can fracture it. In embryos and zebrafish hearts, controlled cracks guide cavity formation and build trabeculae.

This Syllidae polychaete worm reproduces by growing a specialized clone called a stolon (a second worm that eventually detaches to release eggs or sperm.) One animal temporarily becomes two. Credit: Rafael Martín-Ledo

A single CRISPR injection removed an HIV-like virus from infected primates by cutting viral DNA directly out of the genome. Instead of lifelong suppression, gene editing may allow permanent removal of HIV from viral reservoirs, a major step toward a cure.

New BMJ review on psychedelic medicine shows the strongest evidence for psilocybin in depression and MDMA in PTSD. The science points to neuroplasticity, brain network changes, and psychological flexibility. The real challenge now is scalability and real-world implementation.

🧠 Neural Progenitor Cells → Astrocyte Green cells are human neural progenitors becoming gold, star-shaped astrocytes; purple marks the nuclei. You’re watching cellular potential turn into the support system that keeps the brain functioning. Image credit: Carol Ibe & Eugene Major

Strong social relationships are linked to a 50% increased likelihood of survival

You share 60% of your DNA with bananas 🍌

There’s a Heart in Your Brain ❤️ This heart-shaped neuronal population lives in the paraventricular nucleus of the thalamus (PVT). Captured via fluorescence microscopy, these circuits help regulate reproduction and metabolism.

🧠 Learning is physically reshaping your brain. As you practice, neurons: 🌿 Grow branches 🔗 Strengthen synapses ⚡ Boost signaling 🧭 Recruit circuits This neuroplastic rewiring, stabilized by long term potentiation, is how experience becomes memory. Neurons that fire together wire together.

TMS safety in the real world: 586,656 sessions. 18 seizures. ~1 per 32,000 treatments. By manufacturer: Magstim 0 Brainsway 11 MagVenture 2 Neuronetics 1 Seizure risk remains extremely low when guidelines are followed. Study by Joseph J. Taylor et al.

🧠 Brain cells spawn zombielike vesicles. These mobile structures move, carry mitochondria, and spread alpha synuclein between brain cells despite lacking a nucleus. They may represent a new mechanism behind neurodegenerative disease spread.

Your body runs on electricity, not just your brain ⚡ New Nature research shows skin and organ-lining cells use bioelectric signals to eject weak neighbors. Crowding stresses cells electrically; those that can’t keep up shrink and get expelled. Electricity = cellular quality control.

🧠 The brain isn’t just neurons. New Science papers (2025) show astrocytes actively regulate brain state; tuning arousal, mood, sleep, and even when an animal gives up. You can change brain activity without changing wiring.

Visualizing the human tongue 👅 This image reveals its dense blood-vessel network using a historical vascular injection technique. The tongue is one of the most vascularized muscles in the body supporting speech, taste, swallowing, and rapid healing.

Cell death isn’t failure...it’s biology doing its job. This video shows programmed cell death, a regulated process that shapes development, removes damaged cells, and keeps tissues healthy. Too little leads to cancer. Too much drives degeneration. Life depends on knowing when to let go. 🧬

A 16-hour time-lapse of neurulation, the process that forms the neural tube, precursor to the brain and spinal cord. Coordinated cell folding, cytoskeletal forces, and SHH/BMP/Wnt signaling build the nervous system’s central axis in under a day. 🧠🧬

Same TMS pulse, different brain state → different outcome. Using TMS + fMRI + EEG, researchers show that timing stimulation to prefrontal alpha phase boosts engagement of control & limbic circuits in TRD. Not just where we stimulate....but when. ⚡️🧠 #TMS #EEG #BrainStimulation

Flu season = avoid sick people. Plants can’t, so they warn themselves 🌱 New research shows plant immunity is two-step: ⚡ Fast jasmonate + electrical signals within hours ⏳ Slower salicylic acid for lasting defense Earlier alerts could mean tougher, more disease-resistant crops.

Scientists captured the exact moment cardiac cells self-organize into a coordinated rhythm—seconds before the first heartbeat. Early beats are irregular and shift in origin, yet spread coherently across the heart. Credit to Bill Jia!

Over 90% of anxiety-driven worries never come true.

🧠 The brain and immune system aren’t separate—they form one integrated network. Shared signals let neurons shape immune development and responses, while immune activity feeds back to affect mood and behavior. Brain–body health depends on this dialogue.

A Brain Cancer Cell 🧠 The actin cytoskeleton (cyan) shapes the cell and drives movement, while the endoplasmic reticulum (red) manages protein production and stress as the tumor adapts and grows. 📸 Credit: Halli Lindamood & Dr. Eric Vitriol

🧠 Neuroplasticity 🔄 (Shocking Visualization) The brain isn’t fixed — it constantly rewires. From whole-network shifts to circuit tuning to new synapses forming, plasticity happens at every scale. It’s the engine behind learning, recovery, and adaptation.

🌸 Texas A&M scientists found a way to boost energy in aging cells. Tiny nanoflowers added to stem cells double mitochondrial output, letting them deliver extra power to damaged tissue. Early but promising—animal trials next. 🎥 Video: Texas A&M

Whole Organ Imaging 🧠 (Never Seen Before) HiP-CT can scan an entire human organ at 25 μm/voxel, then zoom to 1.5 μm to reveal individual cells — a true multi-scale map of human anatomy. Video: Paul Tafforeau #CTScan #Imaging

A sleepless fish 🐟 is challenging what we know about aging. Cavefish sleep ~1–2 hrs/day, show more DNA damage and oxidative stress, yet age more slowly than surface fish. They carry the signs of sleep loss but not the consequences — a model of biological resilience. Credit: Evan Lloyd et. al.

Shrink to 10 nm & step inside your axon⚡ Axonal cytoskeleton: 🛡️ Spectrin-actin lattice every 190 nm 🚀 Parallel microtubule highways 🌀 Neurofilaments for strength & diameter 🔋 Mitochondria docked on-site Silent nano-architecture running every thought. (Ribosomestudio)

A stunning neuron reconstruction from the Lichtman Lab + Google Connectomics. 🟣 Magenta = dendrites 🔵 Blue = spines 🟡 Yellow = synapses All mapped from EM data with AI segmentation. An unreal look at how dense and complex cortical wiring really is.

Immunity isn’t static. It rewires itself across your entire life. This is what a memory T cell looks like up close.

🧬 2024 Nobel laureate David Baker has done the unthinkable — building proteins that never existed in nature. From self-assembling nanostructures to molecular rotors, his work is turning biology into an engineering discipline. #ProteinDesign #NobelPrize

🧠 Microglia are the brain’s living sensors — extending and retracting their fine “feet” to shape synapses, sense activity, and repair tissue. In this clip from Forrest Collman’s EM team, a microglia (purple) reaches across a neuron (gold), revealing the brain’s hidden choreography.

🧠 MRI or monster? 👻 No filters. No effects. Just science — and it’s terrifyingly real. These are T2-weighted MRI scans of a human head — fluid glows white, turning anatomy into nightmare fuel. Happy Halloween from the inside out 🎃🩻 #Halloween #MRI #Neuroscience #SpookyScience

Our eyes are extraordinary—but evolution shaped vision in wildly different ways. 🦅 Eagles see miles away. 🐈 Cats rule the dark. 🐙 Octopuses have no blind spot. 🦐 Mantis shrimp see colors we can’t imagine. So many ways to see—one goal: make sense of light. #Eyes #Life #Evolution

A single sensory neuron grown from an induced pluripotent stem cell (iPSC), labeled for tubulin and actin to reveal its inner architecture. 🧠 This living model is used to study neurodevelopment, regeneration, and disease — how sensory pathways form, fail, and might be repaired. #FluorescenceFriday

Light sheet microscopy reveals the ovary in 3D — not in slices, but as a living system. 💛 Oocytes (MVH) 💠 Blood vessels (CD31) 🧡 Granulosa cells (AMH) A stunning look at how technology can map the architecture of fertility — where biology meets design.

The brain’s inhibitory neurons keep billions of signals in check — balancing excitation, refining rhythms, and preventing chaos. This video shows just a glimpse of their incredible diversity. 🎥 Beauty in structure, elegance in control. #Neuroscience

What looks like art is actually biology — a rat liver cell seen under the microscope. Those glowing strands are actin and microtubules, the scaffolding that lets the liver filter blood, detoxify chemicals, and even regrow itself. Credit to Dr. Francisco Lázaro-Diéguez! #Science #Microscopy

Psychedelics may change not just neurons, but neurovascular coupling—the link between brain activity and blood flow. That means some fMRI “network effects” could be vascular. Multimodal imaging is key. #neuroscience #fMRI #psychedelics #serotonin

🧠 The cerebellum — 10% of brain volume, 50% of its neurons.' A dense web of circuits predicting and correcting our every move, thought, and emotion. The brain’s most precise learning machine sits quietly at its back. Credit Greg Dunn! #Neuroscience #Cerebellum #BrainScience

🎨 Creative practice reshapes the brain. EEG/MEG data (N=1,472) show artists, dancers, musicians & gamers have brains 5–7 yrs younger than non-experts. Even 30 hrs of learning slowed brain aging by boosting connectivity & efficiency. #Neuroscience #Creativity #BrainHealth

What you’re seeing is self-pollination in action 🌸 This thymeleaf speedwell (Veronica serpyllifolia) doesn’t wait for bees or wind — it transfers its own pollen to ensure survival. A quiet but powerful strategy in uncertain environments.

This sea star is only 2 months old 🐣 — but already has a decentralized nervous system. No brain, just a nerve ring + radial cords guiding how it moves, senses & grows. 🌊 Echinoderm family 🧠 Brain-free coordination 🔄 Decentralized = resilient Credit: Dr. Laurent Formery #Neurobiology #Science

Watch mouse brain tumor cells in action 🧠 Actin (purple) gives them structure & movement, while mitochondria (green) supply the energy for growth. Visualizing these systems helps scientists decode how tumors spread — and how we might disrupt them. #BrainTumors #Neuroscience #Microscopy

The cerebral cortex powers higher cognition through four lobes: 🚀 Frontal – executive control & motor output 📐 Parietal – sensory integration & spatial awareness 🎶 Temporal – memory, language & emotion 👁️ Occipital – vision & recognition #Neuroscience #Brain #Cognition

🧠 In Alzheimer’s, brain activity becomes less complex. Dr. Kay Jann’s team showed this drop in complexity links to tau buildup & cognitive declineseen in both typical & genetic AD. Measuring complexity could help detect AD earlier & track its progression. 📽️ Video credit: Dr. Kay Jann & colleagues

🧠 The Parietal Cortex Integrates sensory input for spatial mapping, body awareness, math & logic. Critical for navigation, perception, and coordinated action. Damage can cause neglect or Gerstmann’s Syndrome. Credit: Greg A Dunn #Neuroscience #CognitiveScience #ParietalCortex

🌎 The World of Migrasomes 🌎 Migrasomes, pomegranate-like organelles formed by migrating cells, play key roles in signaling, mitochondrial quality control, and lateral transfer of mRNA/proteins. A brand-new frontier in cell biology! Credit: NIH & Lilian Chen

The Highest Resolution MRI EVER 🧠 The first 7T scans reveal brain microstructures in stunning detail — and next up is an 11.7T, $81M scanner. This leap will transform neuroscience, from mapping networks to tackling disease. Credit: French CEA #Neuroscience #MRI

Hypersensitivity Reactions 🌼 🌸 Type I – IgE & mast cells → allergies, asthma 🩸 Type II – IgG vs. cells → hemolytic anemia ⚖️ Type III – Immune complexes → serum sickness 🔥 Type IV – T-cells → dermatitis, TB test Knowing the mechanism helps guide treatment. Credit: DiPiro JT, Talbert RL, et al.