Gene linked to intellectual ability affects memory replay in mice

Scientists have discovered a gene in mice that allows memory replay at rest, a process necessary for forming long-lasting memories in mice.

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The joys of computational mass spectrometry

Scientists have developed a new automated computational mass spectrometry system that can search an organism’s entire metabolome for as-yet-unknown metabolites (potential drugs).

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Why (mouse) mothers take risks to protect their infants

The calcitonin receptor and its ligand amylin act in the brain to motivate mouse mothers to protect their pups, even in risky/dangerous situations.
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Strong emotions plus non-REM sleep equals longer-lasting perceptual memories

Perceptual memories linked to positive emotions, such as joy or happiness, are strengthened during sleep, specifically during periods of deep non-REM sleep.
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Smarter AI: machine learning without negative data

Scientists have developed a new method for machine learning that allows an AI to make better classifications without negative data.

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Freedom from fear ?‍♀️

Researchers discover a dopaminergic circuit in the brain that allows fear associations to disappear when there isn’t anything to be afraid of anymore.

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This gut microbe might protect against diabetes and reduce insulin resistance

NEW: One-way hydrogel guides motion of tiny worms!

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Dec

21

The stars align

The stars align

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The stars align. That’s what you say, when things work out perfectly. In the case of an eclipse, of course, it’s not stars that align but rather the moon and sun.

Brain tissue kept alive for weeks with new microfluidic device

A new microfluidic device can keep tissue cultures functional for weeks on an artificial membrane
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Organ regeneration in the lab

Interview with Takashi Tsuji, team leader of the Laboratory for Organ Regeneration at the RIKEN Center for Developmental Biology

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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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Trigger region found for epileptic absence seizures

A mouse model shows that absence seizures are triggered by faulty connections between the cortex and fast-spiking neurons in the striatum.

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Random movements help color-detecting cells form the proper pattern

Scientists have used a mathematical model to explain why zebrafish cone cells in the eye are arranged in a specific pattern in all individuals.

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RIKEN Research Summer issue

A quick post to let you know that the Summer issue of RIKEN Research Magazine came out towards the end of June. This issue covers brain evolution, regenerating skin, super-clear synapses, and much much more! Enjoy!

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Talking science Illustration with Misaki Ouchida

Whether it’s bird anatomy or science cartoons, Masaki Ouchida can do it all. She spoke with us about her career in science illustration, from the US to Japan.
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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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Diazoxide pills for Alzheimer’s disease?

Drug therapy with with diazoxide relieved symptoms of Alzheimer’s disease in the brains of mice and improved memory.
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Next stop: clinical hair regeneration

A new recipe for continuous cyclical hair regeneration in mice. This means that the hair will continue to fall out and regrow like normal hair.
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