How group size affects cooperation: Insights from brain science


Using the prisoners dilemma game, brain scientists showed that larger group size reduces cooperation.

Cubes of brain tissue allow drug discovery without animals


Modeling the blood-brain-barrier with brains-in-a-cube allows drug testing without the need for animals.

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.

Recipe for hydrogen: sprinkle manganese oxide with iridium atoms, add water


A few iridium atoms also go a long way. When sprinkled on manganese oxide, hydrogen is produced with 95% less iridium!

Leaky plants bad for drought resistance


The KAI2 receptor for compounds found in smoke helps plants retain water and survive during drought.

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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Chaos theory provides hints for controlling the weather


Computer simulations were used to show that small adjustments to certain variables in the weather system could modify weather phenomena such as sudden downpours.

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.

A researcher’s journey: from surfing to studying pain


Joshua Johansen from RIKEN CBS tells us about his journey from surfer to pain researcher and beyond. Stay tuned for part II …

Dopamine reduces beta-amyloid plaques in Alzheimer’s disease


Increasing dopamine in the brains of AD model mice led to increased neprilysin, which broke down amyloid-beta plaques and improved memory.

Chromosome copying errors pinpointed in developing embryos


The DNA duplication process changes during embryogenesis and chromosome copying errors increase during the transition.

Longevity in supercentenarians linked to cytotoxic T-cells


Blood analysis in supercentenarians showed that they have many more cytotoxic CD4 T-cells than people with average life spans.

Diazoxide pills for Alzheimer’s disease?


Drug therapy with with diazoxide relieved symptoms of Alzheimer’s disease in the brains of mice and improved memory.

Introducing Nikola, the emotional android boy


A new android named Nikola will help researchers study facial expressions, emotions, and social interactions.

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.

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.