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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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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Atlas of the aging lipidome highlights kidneys and gut bacteria

The atlas revealed sex differences in the aging kidney lipidome and lipid byproducts of gut bacteria that accumulate throughout the body.
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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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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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Real webshooters? Synthetic spider silk spun from artificial gland

Scientists create a microfluidic device that spins artificial spider silk from spidroins proteins, duplicating silk’s complex molecular structure.
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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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Marsupial heart regeneration ability given to mice

Regeneration of mouse hearts ? ?? after birth achieved by figuring out how it’s possible in opossums.
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Promising mouse model for Ngly1 deficiency

A recent study of Ngly1 deficient mice used a secondary knockout to create double knockouts with symptoms similar to human NGLY1 deficiency.

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Gut bacteria double team worsens symptoms of multiple sclerosis

Joint activity of two gut bacteria leads to excessive MOG-specific T-cell activity and demyelination of neurons in the spinal cord of a mouse model of multiple sclerosis.
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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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Gene regulator that allows plant rehydration after drought

New genetic insights into the plant rehydration process: this is why your plants don’t die after you forgot to water them.

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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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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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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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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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