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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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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Gene linked to intellectual ability affects memory replay in mice

Scientists have discovered a gene in mice that allows memory replay at rest, a process necessary for forming long-lasting memories in mice.

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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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Blue gene regulation helps plants respond properly to light

Blue light alters some gene expression in plants by changing the transcription start sites to downstream locations.

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Are you “at risk” of being a habitual coffee drinker?

Several single nucleotide polymorphisms (SNPs) are related to dietary habits, including coffee, tea, tofu, and yogurt consumption.
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Telework: a societal game-changer

COVID-19 series — installment #3: Team Leader Osamu Sakura (@RIKEN Center for Advanced Intelligence Project) talks about how the pandemic has affected society through the need for telework.
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New metalloenzyme system selectively targets cancer cells

Specific targeting of cancer cells and onsite drug synthesis has been achieved using a new artificial metalloenzyme delivery system.
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Strong emotions plus non-REM sleep equals longer-lasting perceptual memories

Perceptual memories linked to positive emotions, such as joy or happiness, are strengthened during sleep, specifically during periods of deep non-REM sleep.
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Real webshooters? Synthetic spider silk spun from artificial gland

Scientists create a microfluidic device that spins artificial spider silk from spidroins proteins, duplicating silk’s complex molecular structure.
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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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Toward human hibernation: cold-resistant mouse stem cells

Cold-resistant stem cells from “deep torpor” mice are a big step toward understanding why tissue survives hibernation.
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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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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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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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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.
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