Getting a grip on slow but unique shark evolution

Scientists have decoded the genomes of two species of shark, bringing the grand total of sequenced shark genomes to three.

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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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Freedom from fear ?‍♀️

Researchers discover a dopaminergic circuit in the brain that allows fear associations to disappear when there isn’t anything to be afraid of anymore.

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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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Robotic AI helps efficient growth of replacement organs

Humans team-up with a robotic AI to speed up experiments to find the best way to regrow damaged eye tissue from stem cells.
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Gut bacteria reduces insulin resistance, protects against diabetes

Scientists discover gut bacteria that reduce insulin resistance in your body and sugar in your poo.
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Learning and unlearning to fear: The two faces of noradrenaline

Fear association and unlearning fear association require different populations of noradrenaline neurons in the locus coeruleus.

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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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Organ regeneration in the lab

Interview with Takashi Tsuji, team leader of the Laboratory for Organ Regeneration at the RIKEN Center for Developmental Biology

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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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Scientists solve epigenetic barriers to cloning

Scientists show that two epigenetic factors improve the success rate of cloning via somatic cell nuclear transfer.

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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.
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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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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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Super-thin wearable electronics just got more flexible

A method for making super-flexible and ultra-thin wearable electronics uses water-vapor plasma to create gold-gold bonds.
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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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