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Bryan Johnson took ketamine and monitored his brain activity for 15 days, recording the experience and sharing about it on X.

Johnson is a 47-year-old longevity-obsessed entrepreneur, known for sharing biohacking content across his social media channels. His most recent health experiment involved treatment with the popularized horse tranquilizer.

As he shared in a tweet, he wanted to test what happens to the brain before, during, and after ketamine treatment.

Ketamine has gained popularity as a fast-acting treatment for depression, PTSD, and chronic pain. Unlike traditional antidepressants, it works quickly by targeting the brain’s glutamate system to restore neural connections.

To monitor his brain activity, Johnson used his self-invented Kernel Flow—a form of non-invasive brain interface technology worn on the head.

Continue reading “Biohacker Takes Ketamine and Tracks His Brain With Surprising Results” | >

Photonics researchers from Tampere University, Finland, and Kastler-Brossel Laboratory, France, have demonstrated how self-imaging of light, a phenomenon known for nearly two centuries, can be applied to cylindrical systems, facilitating unprecedented control of light’s structure with great potential for advanced optical communication systems. In addition, a new type of space-time duality was explored for powerful analogies bridging different fields of optics.

In 1836, Henry F. Talbot performed an experiment, where he observed light patterns that naturally reappear after some propagation without the use of any lenses or imaging optics—a self-imaging phenomenon nowadays of then termed the Talbot effect.

Recently, researchers interested in sculpting light from the Experimental Quantum Optics Group (EQO) in Tampere University, as well as the Complex Media Optics group at Kastler Brossel Laboratory, in Ecole Normale Supérieure, Paris, have teamed up and investigated the self-imaging Talbot effect in cylindrical systems in greater depth than ever before. The presented interesting fundamental physics and powerful applications in optical communications have now been published in the journal Nature Photonics.

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Scientists have developed Rhobo6, a light microscopy probe that reveals extracellular matrix structures in live tissues, advancing biological research and disease diagnostics.

Rhobo6 is a light microscopy probe that selectively binds to extracellular matrix glycans, increasing its fluorescence and allowing clear visualization of these structures in live tissues. This innovative tool enables researchers to study the extracellular matrix in detail without disrupting native biological processes, offering new insights into tissue biology and disease.

Before arriving at Janelia three years ago, Postdoctoral Scientist Antonio Fiore was designing and building optical instruments like microscopes and spectrometers.

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Scientists have developed a way to 3D-print high-performance thermoelectric materials, promising a major leap in cooling technology. This breakthrough could cut costs, reduce waste, and improve efficiency, challenging conventional manufacturing.

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UK-based Core Power has announced that it plans to mass produce a fleet of floating nuclear power plants (FNPPs) using advanced reactor design and modular shipbuilding to be anchored off the US coast in about 10 years.

Nuclear power is enjoying something of a renaissance with many countries turning to the atom to meet their energy needs. However, the bottleneck for increasing the nuclear sector isn’t with manufacturing reactors. It’s the civil engineering side of things, with most of the time and cost going to securing real estate for building the foundations and buildings for the plant as well as navigating a bewildering maze of permits, licenses, and planning permissions.

To get around this as well as speed up production, Core Power plans to use Generation 4 reactor design combined with conventional modular shipbuilding methods to crank out floating nuclear plants on an assembly line basis. To reflect this, the company is referring to this as the “Liberty program” in a call back to the famous Liberty ships of the Second World War that were built at a speed of as fast as four days for one hull.

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In a phase 1 trial, patients with pancreatic ductal adenocarcinoma who were treated with surgery and bespoke neoantigen mRNA vaccines combined with anti-PD-L1 and chemotherapy exhibited marked long-lived persistence of neoantigen-specific CD8+ T cell clones, which correlated with prolonged recurrence-free survival at a 3.2-year follow-up.

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Ancient texts warn of love turning into hatred, as seen in stories like Cain and Abel or “Et tu, Brute?” This talk explores the neurobiology of hatred based on the biology of love: the oxytocin system, attachment networks, and biobehavioral synchrony, which mature through mother-infant bonding and later support group solidarity and out-group hostility. Using this model, we developed Tools of Dialogue© for Israeli and Palestinian youth. After 8 sessions, participants showed reduced hostility, increased empathy, hormonal changes (lower cortisol, higher oxytocin), and lasting attitudes of compromise. Seven years later, these changes supported their peacebuilding efforts, showing how social synchrony can transform hatred into reciprocity and cooperation. Recorded on 02/14/2025. [Show ID: 40386]

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Learn more about anthropogeny on CARTA’s website:
https://carta.anthropogeny.org/

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Continue reading “CARTA: The Biology of Hatred: Why Love Turns to Hatred and What We Can Do About It” | >