The brain’s GPS has a buddy system

In addition to encoding self location, brain cells in the rat hippocampus act like a GPS that encodes the location of other rats.

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Flies use fecal deposits as pheromones

Bioluminescence imaging of fly brains reveals neurons sensitive to fly poo laced with pheromones (you can see the fecal “landmark” in the dotted circle). Need we say more?

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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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Mutation protects against Alzheimer’s disease in mice

Scientists discover a deletion mutation that reduces amyloid-beta plaque formation in Alzheimer’s disease model mice.

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New mechanism allows lower energy requirement for OLED displays

Scientists have found a way to significantly reduce the amount of energy required by organic light emitting diodes (OLED) displays.

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Opto-OISI: imaging connections in the living brain

A new imaging technique called opto-OISI allows scientists to non-invasively visualize where specific neurons project in the living brain.

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Methylation mutation directly linked to autism

A mutation in a gene needed for H3K9 methylation is directly linked to autism spectrum disorders and early neurodevelopment.
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How does gravity affect antimatter?

Scientists find that antimatter reacts to gravity the same way that regular matter does.
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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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Smoker gut bacteria reduce bowel inflammation in ulcerative colitis

Mouth bacteria that settle in the guts of smokers activate helper T-cells that counter inflammation in ulcerative colitis.
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Are you “at risk” of being a habitual coffee drinker?

Several single nucleotide polymorphisms (SNPs) are related to dietary habits, including coffee, tea, tofu, and yogurt consumption.
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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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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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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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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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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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