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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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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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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Detecting pathogens: the evolution of plant immunity

Scientists find recognition receptors for plant growth and plant immunity that share a common evolutionary origin.
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Memories are made of this ?? – (Part 2)

Thomas McHugh from the RIKEN Center for Brain Science continues his discussion about memories, emotions, the brain, and life.
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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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Palaeospondylus: mystery of vertebrate evolution solved

Micro-CT scans using synchrotron radiation X-rays reveal Palaeospondylus morphology, finally allowing its placement on the evolutionary tree.
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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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Longevity in supercentenarians linked to cytotoxic T-cells

Blood analysis in supercentenarians showed that they have many more cytotoxic CD4 T-cells than people with average life spans.
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Zebrafish imagine a danger-free future to avoid threats in virtual reality

By imaging the brain while zebrafish “swim” in virtual reality, scientists have learned that even fish can create internal models to predict future outcomes.
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Implantable blastocyst‐like cysts grown from stem cells

Embryo Organoids?! Blastocyst‐like cysts grown from pluripotent mouse stem cells were similar to natural blastocysts (early embryos).
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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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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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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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Why (mouse) mothers take risks to protect their infants

The calcitonin receptor and its ligand amylin act in the brain to motivate mouse mothers to protect their pups, even in risky/dangerous situations.
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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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