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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Marsupial heart regeneration ability given to mice

Regeneration of mouse hearts ? ?? after birth achieved by figuring out how it’s possible in opossums.
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Mathematical model predicts self-organized learning in real neurons

The free energy principle predicted how real neural connections changed as neurons “learned” in a dish.
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New artificial skin helps avoid animal testing

A new artificial skin that reproduces proper tension can be used to research skin function and disease while reducing the need to experiment on animals.
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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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In living color: imaging the brain with synthetic bioluminescence

A new way to image the brain from outside the head using bioluminescence.

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Robotic exoskeleton learns to help people stand up

This new robotic exoskeleton uses machine learning to know when users want help standing up.
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Flies use fecal deposits as pheromones

Bioluminescence imaging of fly brains reveals neurons sensitive to fly poo laced with pheromones (you can see the fecal “landmark” in the dotted circle). Need we say more?

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Dopamine reduces beta-amyloid plaques in Alzheimer’s disease

Increasing dopamine in the brains of AD model mice led to increased neprilysin, which broke down amyloid-beta plaques and improved memory.
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Most precise measurement ever of proton magnetic moment

Using a sophisticated setup, scientists have made the most precise measurement to date of the proton magnetic moment.

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Mutations, CRISPR, and spinocerebellar ataxia

Scientists discover that mutations causing the degenerative movement disorder spinocerebellar ataxia type 29 work by disrupting calcium release of neurons inside the brain.

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Xist knockout rescues miscarriages in mice

Xist knockout rescues miscarriages in mice whose egg cells lack H3K27me3 epigenetic instructions.
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Transgenic plants ??on acid survive without water

Scientists designed transgenic plants that survive drought-like conditions by bumping up acetic acid production only when water is scarce.

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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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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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Artificial gravity protects the immune system of mice in space

Mice who experienced artificial gravity on the ISS suffered less damage to their immune system (thymus) than weightless mice did.
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