How group size affects cooperation: Insights from brain science

Using the prisoners dilemma game, brain scientists showed that larger group size reduces cooperation.
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Why (mouse) mothers take risks to protect their infants

The calcitonin receptor and its ligand amylin act in the brain to motivate mouse mothers to protect their pups, even in risky/dangerous situations.
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Mutation links bipolar disorder to mitochondrial disease

ANT1 mutations found in bipolar disease that affect mitochondria lead to hyperexcitable serotonergic neuronal activity in the brain.

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Laser melting ice-core sampler for studying climate change

This laser melting ice core sampler can determine temperature changes thousands of years ago on very fine timescale.
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Social novelty in the brain: haven’t I seen you someplace before?

Social novelty and contextual novelty are segregated in the SuM region of the hypothalamus and in projections to the hippocampus, allowing memories of meeting new people to be formed separately from memories of new places.
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Robotic researcher to the rescue

Masaki Watabe talks about automated robotic researchers, future robot rule, and scientific philosophy.

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This gut microbe might protect against diabetes and reduce insulin resistance

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Bye-bye microplastics: new plastic is fully ocean-degradable

A new bioplastic that dissolves in saltwater — no more pesky microplastics!
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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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Cassava engineered to produce healthier tapioca starch

Reducing the amount of starch branching enzymes in cassava plants made more resistant and thus healthier tapioca starch.
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Gut bacteria in babies predict childhood food allergies

Scientists found that one-month-old infants with certain gut bacteria were less likely to develop food sensitivities and food allergies later in childhood.
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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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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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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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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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Opossums are the first genome edited marsupials

A new piezoelectronic microinjection method has allowed the first successful genome editing in marsupials: albino opossums.
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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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