MATENTRO

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[MATENTRO @scuffed_enzyme]

dev is live right now

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[MATENTRO @scuffed_enzyme]

live dev stream going on rn

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[MATENTRO @scuffed_enzyme]

dev live stream happening now..

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[MATENTRO @scuffed_enzyme]

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[MATENTRO @scuffed_enzyme]

live dev stream going on rn

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[MATENTRO @scuffed_enzyme]

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[MATENTRO @scuffed_enzyme]

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[MATENTRO @scuffed_enzyme]

dev live stream happening now..

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[MATENTRO @scuffed_enzyme]

dev is live right now

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[MATENTRO @scuffed_enzyme]

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[MATENTRO @scuffed_enzyme]

dev is live right now

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[MATENTRO @scuffed_enzyme]

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[MATENTRO @scuffed_enzyme]

dev is live right now

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[MATENTRO @scuffed_enzyme]

dev is live right now

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[All day Astronomy @forallcurious]

🚨: Woman in Mexico creates plastic from cactus that biodegrades in a month and is safe to ingest

[TheNewPhysics @CharlesMullins2]

🚨 SCIENTISTS HAVE FOUND COMPLEX ORGANIC MOLECULES INSIDE MATERIAL RETURNED FROM ASTEROID RYUGU.

Researchers analyzing samples from Japan’s Hayabusa2 mission have identified unusually large carbon-rich compounds in the asteroid. These molecules are more complex than many previously found in meteorites and may preserve chemical clues from the early Solar System long before life existed on Earth.

While this is not evidence of alien life, it shows that some of the building blocks associated with life’s chemistry were already forming in space billions of years ago.

Why this matters:
• It strengthens the idea that asteroids and comets could have delivered organic material to early Earth
• It gives scientists a rare look at pristine chemistry from the birth of the Solar System
• It helps us understand how complex molecules can form in space without biology
• It has implications for the search for life on other planets and moons

The deeper question:
Did the ingredients for life originate on Earth… or were they seeded across the Solar System by asteroids like Ryugu?

We’re now getting closer to answering that question with actual material collected from space rather than just meteorites that survived atmospheric entry.

Follow for more frontier space science and discoveries about the origins of life’s chemistry.

[Massimo @Rainmaker1973]

A drone that charges from power lines

[📹 strangebuttrueeng]

[Ihtesham Ali @ihtesham2005]

A Russian psychologist spent 10 years proving that the act of talking to yourself out loud is one of the most powerful cognitive tools the human brain has, and almost nobody outside his field has read the work.

His name was Lev Vygotsky.

He worked in Moscow in the 1920s and died of tuberculosis in 1934 at the age of 37. He had no laboratory, no funding, almost no English readers, and a body of work that the Soviet government suppressed for two decades after he died.

He produced the foundational theory of how human cognition actually develops, and the central piece of that theory was a behavior almost every adult is faintly embarrassed about.

Vygotsky noticed that young children talk to themselves constantly. They narrate their own actions, they argue with imaginary opponents, they instruct themselves through tasks out loud.

The dominant theory at the time, from the Swiss psychologist Jean Piaget, said this was a sign of cognitive immaturity that children would eventually grow out of as they learned to think properly.

Vygotsky said the exact opposite.

He argued that this self-directed speech was the most important cognitive event in the entire developmental window, because it was the moment a child first started to use language as a tool to control their own mind. The child was not failing to think. The child was learning how to think by externalizing the process and listening to themselves do it.

He predicted that as children matured, this out-loud self-talk would not disappear. It would go underground. It would become silent inner speech, which is the running monologue every adult has inside their own head for the rest of their life.

The voice you hear when you read this sentence is the direct descendant of a four-year-old narrating their own block tower.

For 50 years almost nobody outside Russia had access to his work, and the few researchers who did pick it up could not get funding to test it. Then in the early 2000s the experiments finally started to pile up, and what they found was that Vygotsky had been right about something even more important than he knew.

The first major study came from Gary Lupyan at the University of Wisconsin and Daniel Swingley at the University of Pennsylvania in 2012. They ran a simple visual search experiment. Participants were shown 20 images at once and asked to find a specific object, like a banana or a chair. In one condition they searched silently. In the other condition they were told to say the name of the object out loud to themselves while looking for it.

The participants who spoke the target name out loud found the object significantly faster, with higher accuracy, than the participants who searched in silence. The effect was strongest when the spoken word matched a familiar object the brain already had a strong category for.

Saying the word out loud literally tuned the visual system to detect that thing better. The researchers called it the label feedback effect, and the implication was that the act of vocalizing a goal physically changes how the brain processes the world while pursuing it.

The second major study came out of the University of Michigan and Michigan State in 2017. The lead researchers were Ethan Kross and Jason Moser, and they used both EEG and fMRI to record what happens inside the brain when people talk to themselves while emotionally upset.

They asked participants to recall painful autobiographical memories and reflect on them in two different ways. Some used the first person, saying things like "why am I feeling this way." Others used the third person, referring to themselves by their own name, saying things like "why is John feeling this way."

The brain scans showed that the simple act of switching from first person to third person, even silently, decreased activity in the medial prefrontal cortex, the region responsible for rumination and self-referential pain. Within a single second of using their own name instead of the word I, participants showed measurably lower emotional reactivity. The shift required no extra cognitive effort. It cost the brain nothing. And it worked.

Kross described the mechanism in his interviews. Talking to yourself by name creates a small amount of psychological distance from your own experience. Your brain processes the situation more like a problem belonging to someone else, which means it can analyze it instead of drowning in it.

What Vygotsky had intuited in 1934 turned out to be even more powerful than the developmental theory he built it into. The voice you use to talk to yourself is not background noise. It is one of the most precise cognitive tools the brain has, and you can change how it works just by changing the pronoun you use.

People who talk through problems out loud are not anxious or unstable. They are running an externalized version of a process the rest of us are running silently and worse. The kindergartener narrating their block tower, the surgeon muttering through a procedure, the engineer pacing a hallway describing a bug to nobody, the athlete repeating a cue to themselves before a free throw, they are all using the same ancient mechanism that builds and steers human thought.

You can run the experiment yourself the next time you are stuck on something hard. Stop trying to solve it silently in your head. Say it out loud. Describe what you are seeing. Walk yourself through the steps as if you were explaining it to a colleague who is not in the room.

And when something genuinely upsets you, switch to your own name. Ask why this person is feeling this way, instead of why I am feeling this way.

The voice you have been told to keep quiet your entire life is one of the oldest pieces of cognitive technology you own.

Most people are still embarrassed to use it.

[SciTech Era @SciTechera]

Scientists just created a wearable pacemaker that controls the heart with ultrasound.

BIG BREAKTHROUGH:

Researchers at MIT developed a Non-Invasive Ultrasound Pacemaker (NUP) that can regulate heartbeats without implanted wires or electrodes.

The system uses a 2.5 cm × 2.5 cm wearable ultrasound patch placed on the chest.

It is based on sonogenetics, a technique that uses sound waves to remotely control genetically engineered cells inside the body.

The team engineered heart muscle cells to express MscL-G22S, an ultrasound-sensitive mechanosensitive ion channel.

When ultrasound reaches these cells, the channels open, allowing calcium ions to enter and trigger a heartbeat.

Ultrasound → MscL-G22S activation → Calcium influx → Heartbeat

The researchers successfully paced engineered human heart cells and restored normal heart rhythms in rats.

The system achieved less than 1 mm targeting precision and pacing frequencies up to 9 Hz (540 beats per minute).

Even more impressive, it maintained a favorable safety profile during 8 months of animal testing.

The team also demonstrated the approach in porcine (pig) hearts, suggesting potential for future human-scale applications.

This study is one of the strongest demonstrations yet that wearable ultrasound technology can noninvasively control deep organs.

[Eyal Yakoby @EYakoby]

BREAKING: Dozens of Christians were massacred in Ethiopia over the course of the last week by Islamists.

Tens of thousands of Christians have been slaughtered by Islamists across Africa, and the world doesn’t seem to care.