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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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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Carbon nanotubes, what are they good for?

Kylius Wilkins talks to Urs Frey and his recent success manufacturing carbon nanotubes (CNTs).

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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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New treatment assembles cancer drug inside the body

Cancer drugs assembled inside the body on cancer cells should reduce harmful side effects to other tissue.
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New metalloenzyme system selectively targets cancer cells

Specific targeting of cancer cells and onsite drug synthesis has been achieved using a new artificial metalloenzyme delivery system.
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Cyborg microchip valve driven by earthworm muscle

This earthworm muscle-controlled biological microelectromechanical system (bio‐MEMS) could lead the way to next-generation medical implants.
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ERRg predicts atrial fibrillation and hidden comorbidity

Polygenic risk scores based on the genetic data from more that a million people predicted atrial fibrillation, stroke, and mortality.
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Most precise measurement ever of proton magnetic moment

Using a sophisticated setup, scientists have made the most precise measurement to date of the proton magnetic moment.

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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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Award-winning 3D images of living cells

An interview with Yuko Kiyosue, discussing the 3D images of living cells that gained her and her colleagues a recent award.

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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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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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Green hydrogen production for fuel cells and fertilizers

A new method of water electrolysis avoids rare metals, making hydrogen production green and sustainable.
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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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