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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Astrocytes powered by norepinephrine during fear-memory formation

Norepinephrine released in the locus coeruleus during fear learning is accompanied by increased calcium and cAMP levels in nearby astrocytes.
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Plant peptide spells relief from salty stress

Newly discovered plant peptide hormone can be used to protect plants from excessive environmental salt.

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Zebrafish imagine a danger-free future to avoid threats in virtual reality

By imaging the brain while zebrafish “swim” in virtual reality, scientists have learned that even fish can create internal models to predict future outcomes.
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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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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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Electric rays to help us map the ocean floor

Electric rays and sting rays could map the ocean floor through their natural behavior, helping us find resources and collect data on other ocean life.
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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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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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Gray matter volume links symptoms in autism

Low gray matter volume in the posterior superior parietal lobule (pSPL) was found to correlate with specific cognitive and perceptual symptoms of autism.
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Getting a grip on slow but unique shark evolution

Scientists have decoded the genomes of two species of shark, bringing the grand total of sequenced shark genomes to three.

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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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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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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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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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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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