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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New rice fights off drought

Researchers have created drought resistant transgenic rice using a gene from a small Eurasian flowering plant
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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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Blood cell mutations linked to leukemia are inevitable

Researchers show that blood cell mutations increase with age identify risk factors for developing leukemia in Japanese and European populations.
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The joys of computational mass spectrometry

Scientists have developed a new automated computational mass spectrometry system that can search an organism’s entire metabolome for as-yet-unknown metabolites (potential drugs).

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Zebrafish imagine a danger-free future to avoid threats in virtual reality

By imaging the brain while zebrafish “swim” in virtual reality, scientists have learned that even fish can create internal models to predict future outcomes.
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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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Protons are lighter than previously thought

A new and most precise measurement of protons shows that they are lighter than previously thought.

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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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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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Pulses of light can enhance superconductivity

Pulses of light could be used to turn materials into superconductors through an unconventional type of superconductivity.
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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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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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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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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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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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