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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Cubes of brain tissue allow drug discovery without animals

Modeling the blood-brain-barrier with brains-in-a-cube allows drug testing without the need for animals.
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Clean and green: a moss that removes lead (Pb) from water

Scientists show that the moss Funaria hygrometrica can remove harmful lead from water when in the protonema stage of development.

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Protein antigens in meat, milk, and other foods suppress gut tumors

Food antigens were found to prevent small intestinal tumors in gut-tumor prone mice by making ensuring we have enough T cells for defense.
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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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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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A new imaging biomarker for the aging brain

Enlarged ventricles is a sign of an aging brain. New research shows that this phenomenon can be predicted by lagging brain circulation that is detected by MRI.
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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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AdR blockers protect the brain from stroke damage

Treatment with adrenergic receptor antagonists (AdR blockers) was able to reduce stroke-related brain damage in mice and improve motor recovery.

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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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The free-energy principle explains neural network behavior

Scientists show that the free-energy principle can explain how neural networks work.
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Photosynthetic bacteria spin spider silk for the masses

A little genetic engineering and a special recipe allows photosynthetic bacteria to mass-produce super lightweight spider silk for use in manufacturing.
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Transgenic plants ??on acid survive without water

Scientists designed transgenic plants that survive drought-like conditions by bumping up acetic acid production only when water is scarce.

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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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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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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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