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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RIKEN at a glance

We’ve just gotten our order of RIKEN at a Glance booklets back from the printers, and they look fantastic. Follow the link to download your electronic copy now!

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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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From evolutionary morphology to Godzilla

I recently spoke with RIKEN scientist Shigeru Kuratani about evolutionary morphology, sci-fi monsters, the genius of Alien, and more.

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Chromosome copying errors pinpointed in developing embryos

The DNA duplication process changes during embryogenesis and chromosome copying errors increase during the transition.
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Gut bacteria double team worsens symptoms of multiple sclerosis

Joint activity of two gut bacteria leads to excessive MOG-specific T-cell activity and demyelination of neurons in the spinal cord of a mouse model of multiple sclerosis.
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Memory retrieval needs a neuronal connecting flight

Scientists use optogenetics to discover a part of the brain necessary for retrieving memories of personal experiences.

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Bacterial drug resistance studied by robotic E. coli evolution

Experimentally evolving E. coli under pressure from a large number of antibiotics was able to identify constraints underlying evolved drug resistance.
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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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Plant peptide spells relief from salty stress

Newly discovered plant peptide hormone can be used to protect plants from excessive environmental salt.

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A new imaging biomarker for the aging brain

Enlarged ventricles is a sign of an aging brain. New research shows that this phenomenon can be predicted by lagging brain circulation that is detected by MRI.
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Xist knockout rescues miscarriages in mice

Xist knockout rescues miscarriages in mice whose egg cells lack H3K27me3 epigenetic instructions.
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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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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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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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Transgenic plants ??on acid survive without water

Scientists designed transgenic plants that survive drought-like conditions by bumping up acetic acid production only when water is scarce.

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