Melatonin in mice, circadian rhythms, and daily torpor

A new breed of lab mouse allows the study of naturally occurring melatonin. These mice will adjust better to jetlag than regular lab mice and experience daily torpor.
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Japanese people are a mixture of three separate ancestral groups

A new study shows that the current Japanese population is derived from 3 ancestral groups, one of which brought Denisovan DNA to the party.
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Heat shock system helps dried up bug come back to life

An international collaboration has determined that cooption of the Heat Shock Factor (HSF) gene system is what allows larvae of the sleeping chironomid to be able to survive severe desiccation.

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Predictive grid cells help self navigation in the brain

Scientists have discovered grid cells in the brain that map an animal’s (or human’s) future position in space.
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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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Evolution of the inner ear: insights from jawless fish

A new story for inner ear evolution based on the developmental patterning found in hagfish, one of two extant jawless vertebrates and a link to the last common ancestor of modern jawed vertebrates.

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Locating social memories in the brain

Scientists have identified where social memories are stored in the brains of mice. Mice are forgotten because memories cannot be retrieved.

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Microcolumns: elementary neuronal units that carpet the (mouse) brain

A hexagonal lattice organizes major cell types in the cerebral cortex, with similar cells synchronizing their activity in microcolumns.

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Albumin drops medicine off at cancer site then leaves the body

By changing albumin’s identity, drugs can carried to their targets and then removed from the body after being used.
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Superfly flight simulator helps unravel navigation in the brain

Optical imaging neural activity in flies as they use a flight simulator can help us understand how the brain codes navigation.

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Tumor detection during breast cancer surgery

Scientists have developed a new way to accurately detect the margins between cancerous and non-cancerous tissue during breast cancer surgery.

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Root growth improved in soil contaminated with cesium

Overactivating the ABA signaling pathway in plants prevented cesium in soil from blocking root growth in plants.
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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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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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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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