Smarter AI: machine learning without negative data

Scientists have developed a new method for machine learning that allows an AI to make better classifications without negative data.

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Deep-brain exploration with nanomaterials

A new way to optogenetically activate neurons deep in the brain using infrared light and upconversion nanoparticles. It’s non-invasive!

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RIKEN Research Winter Issue

It’s almost the end of the year and a here’s an early holiday present! The winter issue of RIKEN Research is here, covering plant parasites, depression, atomic clocks, and more! Enjoy!

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Tape and vermilion: ingredients for mapping artifact origins

Vermilion samples taken from ancient artifacts with sulfur-free tape can tell us about trade patterns 3000 years ago.
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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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The free-energy principle explains neural network behavior

Scientists show that the free-energy principle can explain how neural networks work.
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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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Astrocytes powered by norepinephrine during fear-memory formation

Norepinephrine released in the locus coeruleus during fear learning is accompanied by increased calcium and cAMP levels in nearby astrocytes.
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Leaky plants bad for drought resistance

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

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RIKEN Research Spring issue is here

Just a quick post to let you know that the Spring issue of RIKEN Research Magazine came out towards the end of March. This issue covers issues including the discovery of element 113, earth-friendly pesticides, and the secrets of a rice-killing fungal toxin. Enjoy!

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Stolen genes used for parasitic mind control

Parasitic horsehair worms evolved to control their praying mantis hosts by stealing their genes (horizontal gene transfer).
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Plant hormone combats dehydration

Scientists show that CLE25 is a plant hormone that travels from roots to leaves and helps close stomata in times of dehydration stress.

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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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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 lab-grown retinal sheets almost ready for clinical trials

A new retinal transplant technique works by preventing bipolar cells from maturing in lab-grown retinal sheets.
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Introducing Nikola, the emotional android boy

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