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.

Microcolumns: elementary neuronal units that carpet the (mouse) brain


A hexagonal lattice organizes major cell types in the cerebral cortex, with similar cells synchronizing their activity in microcolumns.

Gray matter volume links symptoms in autism


Low gray matter volume in the posterior superior parietal lobule (pSPL) was found to correlate with specific cognitive and perceptual symptoms of autism.

Flies use fecal deposits as pheromones


Bioluminescence imaging of fly brains reveals neurons sensitive to fly poo laced with pheromones (you can see the fecal “landmark” in the dotted circle). Need we say more?

Trigger region found for epileptic absence seizures


A mouse model shows that absence seizures are triggered by faulty connections between the cortex and fast-spiking neurons in the striatum.

Microbial infections are a parasitic plant’s dream


Parasitic plants use quinones produced by their host to attack. Now we know that crops produce quinones as an immune response against microbial infection. How can we protect crops from both kinds of attack?

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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.

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.

Xist knockout rescues miscarriages in mice


Xist knockout rescues miscarriages in mice whose egg cells lack H3K27me3 epigenetic instructions.

Opossums are the first genome edited marsupials


A new piezoelectronic microinjection method has allowed the first successful genome editing in marsupials: albino opossums.

The free-energy principle explains neural network behavior


Scientists show that the free-energy principle can explain how neural networks work.

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.
Aug

17

Eve Marder: freeing knowledge, crashing neurons

Eve Marder: freeing knowledge, crashing neurons


None of us would get on a plane that had its parts changed in mid-air, says Eve Marder, who has spent her career probing a very specific cluster of crustacean nerve cells. Yet we are all walking around undergoing a constant turnover of cellular parts, and so are the lobsters and crabs Marder studies.

Aug

5

RIKEN Research Summer issue

RIKEN Research Summer issue


A quick post to let you know that the Summer issue of RIKEN Research Magazine came out towards the end of June. This issue covers brain evolution, regenerating skin, super-clear synapses, and much much more! Enjoy!

Jun

3

RIKEN Research Spring issue is here

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!

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.

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.

Green hydrogen production for fuel cells and fertilizers


A new method of water electrolysis avoids rare metals, making hydrogen production green and sustainable.

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.