Melatonin in mice, circadian rhythms, and daily torpor

A new breed of lab mouse allows the study of naturally occurring melatonin. These mice will adjust better to jetlag than regular lab mice and experience daily torpor.
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Memory retrieval needs a neuronal connecting flight

Scientists use optogenetics to discover a part of the brain necessary for retrieving memories of personal experiences.

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A faster and more sensitive antibody test for COVID-19

Fast and sensitive: A new antibody test for the COVID-19 virus. Just a pinprick of blood and results in 30 minutes.
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Tape and vermilion: ingredients for mapping artifact origins

Vermilion samples taken from ancient artifacts with sulfur-free tape can tell us about trade patterns 3000 years ago.
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Confronting a string of epidemics including COVID-19

COVID-19 series — installment #1: RIKEN Executive Director Shigeo Koyasu talks about epidemics and what a good response looks like.
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Brain wave synchrony can predict memory age

The degree of neuronal synchrony between the anterior cingulate cortex and the hippocampus during recall is an indication of memory age (in mice).
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Blocking obesity with a protein-sugar combination

Discovery of an enzyme that prevents obesity in mice through glycosylation of a protein involved fat-cell differentiation.

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Dietary amino acid linked to cancer in flies

Researchers have found a dietary amino acid linked to oncogene expression / tumor formation; reduced consumption reduced cancer in flies.
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Brainless memory makes the spinal cord smarter than previously thought

The spinal cord learns how to direct limb muscles to avoid aversive sensations and recalls the memories using separate neural circuitry. Oh, and without a 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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Centennial RIKEN Research

???This Spring we’ve put together a special centennial issue of RIKEN Research ???

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What’s that smell? The advantage of sniffing

Rhythmic sniffing boosts phase-coded neuronal signals in the mouse olfactory bulb that allow odors to be identified.

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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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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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Introducing Nikola, the emotional android boy

A new android named Nikola will help researchers study facial expressions, emotions, and social interactions.
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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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Aug

17

Eve Marder: freeing knowledge, crashing neurons

Eve Marder: freeing knowledge, crashing neurons

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None of us would get on a plane that had its parts changed in mid-air, says Eve Marder, who has spent her career probing a very specific cluster of crustacean nerve cells. Yet we are all walking around undergoing a constant turnover of cellular parts, and so are the lobsters and crabs Marder studies.

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