Learning and unlearning to fear: The two faces of noradrenaline

Fear association and unlearning fear association require different populations of noradrenaline neurons in the locus coeruleus.

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A new alpha-particle treatment for multiple cancers

A new type of alpha-particle therapy allows selective targeting of tumors in multiple cancers.
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Eve Marder: freeing knowledge, crashing neurons

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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Opto-OISI: imaging connections in the living brain

A new imaging technique called opto-OISI allows scientists to non-invasively visualize where specific neurons project in the living brain.

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Electrolithoautotrophs

Learn what electrolithoautotrophs are and how the scientists proved that A. ferrooxidans can use electric potential to fuel growth.
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Super-thin wearable electronics just got more flexible

A method for making super-flexible and ultra-thin wearable electronics uses water-vapor plasma to create gold-gold bonds.
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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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Centennial RIKEN Research

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

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A new and improved way to store hydrogen

A simple chemical reaction allows hydrogen-carrying ammonia to be stored and retrieved cheaply and easily.
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Physiological origami and proper body development in flies

Genetics and mechanical origami in the fly embryo helps proper body development by fighting off “noisy” fluctuations is the environment.
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Decision-making during the COVID-19 pandemic

COVID-19 series — installment #2: RIKEN CBS Unit Leader Rei Akaishi talks about government decision-making during the pandemic.
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Toward human hibernation: cold-resistant mouse stem cells

Cold-resistant stem cells from “deep torpor” mice are a big step toward understanding why tissue survives hibernation.
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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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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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Eating a high fat diet without getting obese?

Scientists discover that without innate immune cells in the intestines, eating a high fat diet does not lead to obesity in mice.
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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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