The free-energy principle explains neural network behavior

Scientists show that the free-energy principle can explain how neural networks work.
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Robotic AI helps efficient growth of replacement organs

Humans team-up with a robotic AI to speed up experiments to find the best way to regrow damaged eye tissue from stem cells.
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Eco-friendly ammonia production for fertilizers and alternative fuel

A new process that allows ammonia to be produced using much less energy than the standard methods.
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Recipe for hydrogen: sprinkle manganese oxide with iridium atoms, add water

A few iridium atoms also go a long way. When sprinkled on manganese oxide, hydrogen is produced with 95% less iridium!
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Running away from carbon dioxide: the terminal connection

Even fish want to avoid carbon dioxide. Now we know that they can because of chemosensation and the Terminal Nerve.

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Purple biomass makes a good crop fertilizer

Biomass made from purple marine bacteria provides more than enough nitrogen to plants without harming the environment
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Cancer cells killed with artificial glycosylated metalloenzyme

Scientists have developed two cancer therapies that use an artificial glycosylated metalloenzyme to specifically target cancer cells in mice.
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Supermassive black holes still dark and mysterious

For the first time, scientists have measured the strength of magnetic fields near supermassive black holes and something doesn’t add up.

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From evolutionary morphology to Godzilla

I recently spoke with RIKEN scientist Shigeru Kuratani about evolutionary morphology, sci-fi monsters, the genius of Alien, and more.

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Cubes of brain tissue allow drug discovery without animals

Modeling the blood-brain-barrier with brains-in-a-cube allows drug testing without the need for animals.
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Cyborg cockroaches to the rescue!

The key to this remote-controllable cyborg cockroach is a solar-cell rechargeable battery and an ultrathin flexible backpack.
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Real webshooters? Synthetic spider silk spun from artificial gland

Scientists create a microfluidic device that spins artificial spider silk from spidroins proteins, duplicating silk’s complex molecular structure.
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Social contact-seeking behavior and loneliness in the brain

Levels of the peptide amylin in the brain are related to loneliness; activating amylin neurons in the MPOA drives isolated mice to seek social contact.
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How does gravity affect antimatter?

Scientists find that antimatter reacts to gravity the same way that regular matter does.
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New lab-grown retinal sheets almost ready for clinical trials

A new retinal transplant technique works by preventing bipolar cells from maturing in lab-grown retinal sheets.
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Green hydrogen production for fuel cells and fertilizers

A new method of water electrolysis avoids rare metals, making hydrogen production green and sustainable.
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