The It Ain't Magic Science Blog

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.

Finding real rewards in a virtual world

A new study shows that mice who learn to find goals in virtual reality use their hippocampus the same was as in the real world.

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?

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.

Blood cell mutations linked to leukemia are inevitable

Researchers show that blood cell mutations increase with age identify risk factors for developing leukemia in Japanese and European populations.

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Self-assembly of spider silk

This gut microbe might protect against diabetes and reduce insulin resistance

NEW: One-way hydrogel guides motion of tiny worms!

Latest Posts

17

Japanese people are a mixture of three separate ancestral groups

Japanese people are a mixture of three separate ancestral groups

by jens wilkinson | Hot Off the Press

A new study shows that the current Japanese population is derived from 3 ancestral groups, one of which brought Denisovan DNA to the party.

13

Space Café Tokyo explains sus sci-fi media

Space Café Tokyo explains sus sci-fi media

by kelly | What's Up With Us

Our very own Kelly writes about how much fun she had at Space Café Tokyo. Softcore science and beer.

10

Recipe for hydrogen: sprinkle manganese oxide with iridium atoms, add water

Recipe for hydrogen: sprinkle manganese oxide with iridium atoms, add water

by adam phillips | Hot Off the Press

A few iridium atoms also go a long way. When sprinkled on manganese oxide, hydrogen is produced with 95% less iridium!

6

Stable green hydrogen production in a PEM electrolyzer

Stable green hydrogen production in a PEM electrolyzer

by adam phillips | Hot Off the Press

A little structurally manipulated manganese goes a long way when using a PEM electrolyzer to make hydrogen from water.

24

Brainless memory makes the spinal cord smarter than previously thought

Brainless memory makes the spinal cord smarter than previously thought

by adam phillips | Hot Off the Press

The spinal cord learns how to direct limb muscles to avoid aversive sensations and recalls the memories using separate neural circuitry. Oh, and without a brain!

22

Eco-friendly ammonia production for fertilizers and alternative fuel

Eco-friendly ammonia production for fertilizers and alternative fuel

by adam phillips | Hot Off the Press

A new process that allows ammonia to be produced using much less energy than the standard methods.

11

Cubes of brain tissue allow drug discovery without animals

Cubes of brain tissue allow drug discovery without animals

by masataka sasabe | Hot Off the Press

Modeling the blood-brain-barrier with brains-in-a-cube allows drug testing without the need for animals.

3

Gut bacteria could help overcome milk allergy

Gut bacteria could help overcome milk allergy

by adam phillips | Hot Off the Press

Analysis shows that some gut bacteria could help improve oral immunotherapy against milk allergy.

2

Detecting pathogens: the evolution of plant immunity

Detecting pathogens: the evolution of plant immunity

by masataka sasabe | Hot Off the Press

Scientists find recognition receptors for plant growth and plant immunity that share a common evolutionary origin.

21

Genomic “butterfly effect” involving TADs explains risk for autism

Genomic “butterfly effect” involving TADs explains risk for autism

by masataka sasabe | Hot Off the Press

De novo mutations in three-dimensional structures in the genome containing known ASD genes were found to be associated with ASD risk.

19

Heat used to transform antiskyrmions to skyrmions and back

Heat used to transform antiskyrmions to skyrmions and back

by jens wilkinson | Hot Off the Press

Scientists discover a way to transform antiskyrmions to skyrmions and back using heat and magnetic fields.

23

Real webshooters? Synthetic spider silk spun from artificial gland

Real webshooters? Synthetic spider silk spun from artificial gland

by adam phillips | Hot Off the Press

Scientists create a microfluidic device that spins artificial spider silk from spidroins proteins, duplicating silk’s complex molecular structure.

15

Omics Omics Omics: Analysis predicts ovarian cancer-treating drug

Omics Omics Omics: Analysis predicts ovarian cancer-treating drug

by adam phillips | Hot Off the Press

Multi-omics analysis prediction: drugs that inhibit Ras signaling will help prevent tumor formation in serous ovarian cancer.

27

First hydride-ion battery that works at room temperature

First hydride-ion battery that works at room temperature

by adam phillips | Hot Off the Press

Researchers develop a new solid electrolyte that can conduct hydride ions, thus allowing better hydrogen-based batteries and fuel cells.

10

Plants to the rescue: cleaning up our dirty soil

Plants to the rescue: cleaning up our dirty soil

by adam phillips | Drop of science

A brief review of phytoremediation and research into how plants can be used to clean the environment.

1

Stolen genes used for parasitic mind control

Stolen genes used for parasitic mind control

by masataka sasabe | Hot Off the Press

Parasitic horsehair worms evolved to control their praying mantis hosts by stealing their genes (horizontal gene transfer).

27

Machine learning contributes to better quantum error correction

Machine learning contributes to better quantum error correction

by jens wilkinson | Hot Off the Press

Researchers have developed an autonomous method for handling error correction in quantum computing. This will help quantum computers maintain their advantages over standard computers.

20

Laser melting ice-core sampler for studying climate change

Laser melting ice-core sampler for studying climate change

by adam phillips | Hot Off the Press

This laser melting ice core sampler can determine temperature changes thousands of years ago on very fine timescale.

31

Gut bacteria reduces insulin resistance, protects against diabetes

Gut bacteria reduces insulin resistance, protects against diabetes

by adam phillips | Hot Off the Press

Scientists discover gut bacteria that reduce insulin resistance in your body and sugar in your poo.

23

Scary places burned into our minds by constant memory replay

Scary places burned into our minds by constant memory replay

by riken research highlights | Research Highlight

Researchers discover the mechanism through which places associated with negative experiences are burned into our memories.

18

Toward human hibernation: cold-resistant mouse stem cells

Toward human hibernation: cold-resistant mouse stem cells

by adam phillips | Hot Off the Press

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

15

A researcher’s journey part 2: emotional memory and being human

A researcher’s journey part 2: emotional memory and being human

by adam phillips | Interviews

Joshua Johansen from RIKEN CBS explains emotional memory, what his lab is doing, and what makes a good researcher.

8

Mathematical model predicts self-organized learning in real neurons

Mathematical model predicts self-organized learning in real neurons

by adam phillips | Hot Off the Press

The free energy principle predicted how real neural connections changed as neurons “learned” in a dish.

7

Deadly fungi beaten with fatty acid synthase inhibitor

Deadly fungi beaten with fatty acid synthase inhibitor

by adam phillips | Hot Off the Press

A new approach to attacking fungi involves inhibiting a gene needed for making fatty acids.

12

A new and improved way to store hydrogen

A new and improved way to store hydrogen

by masataka sasabe | Hot Off the Press

A simple chemical reaction allows hydrogen-carrying ammonia to be stored and retrieved cheaply and easily.

29

A new alpha-particle treatment for multiple cancers

A new alpha-particle treatment for multiple cancers

by adam phillips | Hot Off the Press

A new type of alpha-particle therapy allows selective targeting of tumors in multiple cancers.

28

A researcher’s journey: from surfing to studying pain

A researcher’s journey: from surfing to studying pain

by adam phillips | Interviews

Joshua Johansen from RIKEN CBS tells us about his journey from surfer to pain researcher and beyond. Stay tuned for part II …

15

The first drug treatment for brain aneurysms (in mice)

The first drug treatment for brain aneurysms (in mice)

by adam phillips | Hot Off the Press

Scientists discover that most aneurysms result from mutations. A mouse model shows they can be treated with drugs.

12

Simple but revolutionary modular organoids

Simple but revolutionary modular organoids

by jens wilkinson | Hot Off the Press

A new way to construct complex 3D organoids without using elaborate techniques! The trick using modular cubes with hydrogel layers.

19

Thoughts on the genetics of medicinal licorice

Thoughts on the genetics of medicinal licorice

by jens wilkinson | Drop of science

Jens talks about licorice and a recent RIKEN study that finally mapped its genome.

24

Pathogenic genetic variation linked to H. pylori-related stomach cancer

Pathogenic genetic variation linked to H. pylori-related stomach cancer

by adam phillips | Hot Off the Press

Researchers find that the risk of stomach cancer due to infection withH. Pylori bacteria increases with specific genetic variations.

29

ERRg predicts atrial fibrillation and hidden comorbidity

ERRg predicts atrial fibrillation and hidden comorbidity

by adam phillips | Hot Off the Press

Polygenic risk scores based on the genetic data from more that a million people predicted atrial fibrillation, stroke, and mortality.

27

Memories are made of this ?? – (Part 2)

Memories are made of this ?? – (Part 2)

by adam phillips | Interviews

Thomas McHugh from the RIKEN Center for Brain Science continues his discussion about memories, emotions, the brain, and life.

26

Replicating opossum heart regeneration to help fight cardiovascular disease

Replicating opossum heart regeneration to help fight cardiovascular disease

by adam phillips | Research Animation

Animated research highlight: Opossum hearts hint at new ways of fighting cardiovascular disease

26

Spacey, nerdy nights in Tokyo

Spacey, nerdy nights in Tokyo

by kelly | What's Up With Us

Kelly, our new It Ain’t Magic contributor, writes about her nerdy nighttime experiences in Tokyo.

16

Memories are made of this ? ? – (Part 1)

Memories are made of this ? ? – (Part 1)

by adam phillips | Interviews

Brain science ’round midnight episode 8: Thomas McHugh from the RIKEN Center for Brain Science discusses memories and the brain

18

Hibernation-like state can protect kidneys during heart surgery

Hibernation-like state can protect kidneys during heart surgery

by adam phillips | Hot Off the Press

Activating Q-neurons in the mouse brain led to a hibernation-like state that protected kidneys during heart surgery.

14

Crying baby? Science says walk, then sit

Crying baby? Science says walk, then sit

by adam phillips | Hot Off the Press

Recipe for success: Walk 5 min, sit 8 min, lay no-longer-crying baby down. Now you can relax.

6

Cyborg cockroaches to the rescue!

Cyborg cockroaches to the rescue!

by masataka sasabe | Hot Off the Press

The key to this remote-controllable cyborg cockroach is a solar-cell rechargeable battery and an ultrathin flexible backpack.

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.

Something smells fishy: categorizing odors in the brain

Calcium imaging and mathematical model explain how categories and mixtures of odors are represented in the fly brain and consistent across individual flies.

RIKEN Research Winter Issue

It’s almost the end of the year and a here’s an early holiday present! The winter issue of RIKEN Research is here, covering plant parasites, depression, atomic clocks, and more! Enjoy!

Mathematical model predicts self-organized learning in real neurons

The free energy principle predicted how real neural connections changed as neurons “learned” in a dish.

Methylation mutation directly linked to autism

A mutation in a gene needed for H3K9 methylation is directly linked to autism spectrum disorders and early neurodevelopment.

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.

17

Japanese people are a mixture of three separate ancestral groups

Japanese people are a mixture of three separate ancestral groups

by jens wilkinson | Hot Off the Press

A new study shows that the current Japanese population is derived from 3 ancestral groups, one of which brought Denisovan DNA to the party.

13

Space Café Tokyo explains sus sci-fi media

Space Café Tokyo explains sus sci-fi media

by kelly | What's Up With Us

Our very own Kelly writes about how much fun she had at Space Café Tokyo. Softcore science and beer.

10

Recipe for hydrogen: sprinkle manganese oxide with iridium atoms, add water

Recipe for hydrogen: sprinkle manganese oxide with iridium atoms, add water

by adam phillips | Hot Off the Press

A few iridium atoms also go a long way. When sprinkled on manganese oxide, hydrogen is produced with 95% less iridium!

6

Stable green hydrogen production in a PEM electrolyzer

Stable green hydrogen production in a PEM electrolyzer

by adam phillips | Hot Off the Press

A little structurally manipulated manganese goes a long way when using a PEM electrolyzer to make hydrogen from water.

24

Brainless memory makes the spinal cord smarter than previously thought

Brainless memory makes the spinal cord smarter than previously thought

by adam phillips | Hot Off the Press

The spinal cord learns how to direct limb muscles to avoid aversive sensations and recalls the memories using separate neural circuitry. Oh, and without a brain!

22

Eco-friendly ammonia production for fertilizers and alternative fuel

Eco-friendly ammonia production for fertilizers and alternative fuel

by adam phillips | Hot Off the Press

A new process that allows ammonia to be produced using much less energy than the standard methods.

11

Cubes of brain tissue allow drug discovery without animals

Cubes of brain tissue allow drug discovery without animals

by masataka sasabe | Hot Off the Press

Modeling the blood-brain-barrier with brains-in-a-cube allows drug testing without the need for animals.

3

Gut bacteria could help overcome milk allergy

Gut bacteria could help overcome milk allergy

by adam phillips | Hot Off the Press

Analysis shows that some gut bacteria could help improve oral immunotherapy against milk allergy.

2

Detecting pathogens: the evolution of plant immunity

Detecting pathogens: the evolution of plant immunity

by masataka sasabe | Hot Off the Press

Scientists find recognition receptors for plant growth and plant immunity that share a common evolutionary origin.

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.

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.

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.

New lab-grown retinal sheets almost ready for clinical trials

A new retinal transplant technique works by preventing bipolar cells from maturing in lab-grown retinal sheets.

17

Japanese people are a mixture of three separate ancestral groups

Japanese people are a mixture of three separate ancestral groups

by jens wilkinson | Hot Off the Press

A new study shows that the current Japanese population is derived from 3 ancestral groups, one of which brought Denisovan DNA to the party.

13

Space Café Tokyo explains sus sci-fi media

Space Café Tokyo explains sus sci-fi media

by kelly | What's Up With Us

Our very own Kelly writes about how much fun she had at Space Café Tokyo. Softcore science and beer.

10

Recipe for hydrogen: sprinkle manganese oxide with iridium atoms, add water

Recipe for hydrogen: sprinkle manganese oxide with iridium atoms, add water

by adam phillips | Hot Off the Press

A few iridium atoms also go a long way. When sprinkled on manganese oxide, hydrogen is produced with 95% less iridium!

6

Stable green hydrogen production in a PEM electrolyzer

Stable green hydrogen production in a PEM electrolyzer

by adam phillips | Hot Off the Press

A little structurally manipulated manganese goes a long way when using a PEM electrolyzer to make hydrogen from water.

24

Brainless memory makes the spinal cord smarter than previously thought

Brainless memory makes the spinal cord smarter than previously thought

by adam phillips | Hot Off the Press

The spinal cord learns how to direct limb muscles to avoid aversive sensations and recalls the memories using separate neural circuitry. Oh, and without a brain!

22

Eco-friendly ammonia production for fertilizers and alternative fuel

Eco-friendly ammonia production for fertilizers and alternative fuel

by adam phillips | Hot Off the Press

A new process that allows ammonia to be produced using much less energy than the standard methods.