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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Bacterial drug resistance studied by robotic E. coli evolution

Experimentally evolving E. coli under pressure from a large number of antibiotics was able to identify constraints underlying evolved drug resistance.
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Hibernation-like state can protect kidneys during heart surgery

Activating Q-neurons in the mouse brain led to a hibernation-like state that protected kidneys during heart surgery.
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Efficient and durable ultra-thin solar cells

Ultra-thin, flexible, organic solar cells that degrade less than 5 percent after 3,000 hours and an energy conversion ratio of 13%.
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RIKEN Research Winter Issue

It’s almost the end of the year and a here’s an early holiday present! The winter issue of RIKEN Research is here, covering plant parasites, depression, atomic clocks, and more! Enjoy!

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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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Plant hormone combats dehydration

Scientists show that CLE25 is a plant hormone that travels from roots to leaves and helps close stomata in times of dehydration stress.

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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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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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Boosting betaine may be a treatment for schizophrenia

Supplementing model mice with glycine betaine (trimethylglycine), a compound originally derived from beets, can alleviate symptoms of schizophrenia.
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Quick, call Spiderman: scientists discover how spider silk is formed

A group of scientists led by researchers have discovered a key mechanism through which spider silk is formed.

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Organic nitrogen in soil helps crop growth

Scientists used a multi-omics analysis to show that soil solarization helps crops grow because it increases organic nitrogen in the soil.
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H2AK119ub1: How you inherit acquired traits from your mom

H2AK119ub1. Say that three times really fast! But seriously, it allows maternally acquired traits to be inherited.
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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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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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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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