Finding real rewards in a virtual world

A new study shows that mice who learn to find goals in virtual reality use their hippocampus the same was as in the real world.

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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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A new and improved way to store hydrogen

A simple chemical reaction allows hydrogen-carrying ammonia to be stored and retrieved cheaply and easily.
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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!
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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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Brainless memory makes the spinal cord smarter than previously thought

The spinal cord learns how to direct limb muscles to avoid aversive sensations and recalls the memories using separate neural circuitry. Oh, and without a brain!
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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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Organic nitrogen in soil helps crop growth

Scientists used a multi-omics analysis to show that soil solarization helps crops grow because it increases organic nitrogen in the soil.
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First hydride-ion battery that works at room temperature

Researchers develop a new solid electrolyte that can conduct hydride ions, thus allowing better hydrogen-based batteries and fuel cells.
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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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Clean and green: a moss that removes lead (Pb) from water

Scientists show that the moss Funaria hygrometrica can remove harmful lead from water when in the protonema stage of development.

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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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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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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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