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Strongly 'handed' squirrels less good at learning  

Squirrels that strongly favor their left or right side are less good at learning, new research suggests.

what do you think?

2020-01-20 19:56:06



Latest Crew Dragon Test Moves SpaceX Closer to a Crewed Flight  

A successful test of the abort system means the spaceflight company is on the verge of sending humans into space.

what do you think?

2020-01-20 19:19:57



Latest Crew Dragon Test Moves SpaceX Closer to a Crewed Flight  

A successful test of the abort system means the spaceflight company is on the verge of sending humans into space.

what do you think?

2020-01-20 16:23:44



How the Fight over a Hawaii Mega-Telescope Could Change Astronomy  

Thirty Meter Telescope controversy is forcing scientists to grapple with how their research affects Indigenous peoples -- Read more on ScientificAmerican.com

what do you think?

2020-01-20 12:56:04



How the Fight over a Hawaii Mega-Telescope Could Change Astronomy  

Thirty Meter Telescope controversy is forcing scientists to grapple with how their research affects Indigenous peoples -- Read more on ScientificAmerican.com

what do you think?

2020-01-20 12:41:50



How Much Sleep Do You Really Need?  

Do you really need eight hours of sleep each night to thrive? Savvy Psychologist Dr. Jade Wu breaks down the eight-hour sleep myth and offers three ways to find the best sleep for you -- Read more on ScientificAmerican.com

what do you think?

2020-01-20 12:03:30



Local water availability is permanently reduced after planting forests  

River flow is reduced in areas where forests have been planted and does not recover over time, a new study has shown. Rivers in some regions can completely disappear within a decade. This highlights the need to consider the impact on regional water availability, as well as the wider climate benefit, of tree-planting plans.

what do you think?

2020-01-20 10:28:13



Old Drug, New Tricks: Existing Medicines Show Promise in Fighting Cancer  

Dozens of compounds approved for other purposes can kill cancer cells selectively -- Read more on ScientificAmerican.com

what do you think?

2020-01-20 10:24:49



The Unexpected Diversity of Pain  

It comes in many types that each require specialized treatment, and scientists are learning to diagnose different varieties -- Read more on ScientificAmerican.com

what do you think?

2020-01-20 10:12:53



Setting controlled fires to avoid wildfires  

Despite having proven effective at reducing wildfire risks, prescribed burns have been stymied by perceived and real risks, regulations and resource shortages. A new analysis highlights ways of overcoming those barriers, offering solutions for wildfire-ravaged landscapes.

what do you think?

2020-01-20 09:59:54



Old Drug, New Tricks: Existing Medicines Show Promise in Fighting Cancer  

Dozens of compounds approved for other purposes can kill cancer cells selectively -- Read more on ScientificAmerican.com

what do you think?

2020-01-20 09:43:40



On the edge between science and art: Historical biodiversity data from Japanese 'gyotaku'  

Japanese cultural art of 'gyotaku,' which means 'fish impression' or 'fish rubbing,' captures accurate images of fish specimens. It has been used by recreational fishermen and artists since the Edo Period. Distributional data from 261 'Gyotaku' rubbings were extracted for 218 individual specimens, roughly representing regional fish fauna and common fishing targets in Japan through the years.

what do you think?

2020-01-20 09:37:48



Laser diode emits deep UV light  

Researchers say they have designed a laser diode that emits the shortest-wavelength ultraviolet light to-date, with potential applications in disinfection, dermatology, and DNA analyses.

what do you think?

2020-01-20 09:30:36



Wisdom of the crowd? Building better forecasts from suboptimal predictors  

Scientists have shown how to combine the forecasts of a collection of suboptimal 'delay embedding' predictors for time series data. This work may help improve the forecasting of floods, stock market gyrations, spatio-temporal brain dynamics, and ecological resource fluctuations.

what do you think?

2020-01-20 09:24:48



Becoming less active and gaining weight: Downsides of becoming an adult  

Leaving school and getting a job both lead to a drop in the amount of physical activity, while becoming a mother is linked to increased weight gain, conclude two reviews.

what do you think?

2020-01-20 08:09:02



The Coolest Physics You've Ever Heard Of  

Ultracold atoms can simulate all sorts of quantum behavior -- Read more on ScientificAmerican.com

what do you think?

2020-01-20 07:22:18



Laser diode emits deep UV light  

Researchers say they have designed a laser diode that emits the shortest-wavelength ultraviolet light to-date, with potential applications in disinfection, dermatology, and DNA analyses.

what do you think?

2020-01-20 07:21:15



Dozens of non-oncology drugs can kill cancer cells  

Researchers tested approximately 4,518 drug compounds on 578 human cancer cell lines and found nearly 50 that have previously unrecognized anti-cancer activity. These drugs have been used to treat conditions such as diabetes, inflammation, alcoholism, and even arthritis in dogs. The findings suggest a possible way to accelerate the development of new cancer drugs or repurpose existing drugs to treat cancer.

what do you think?

2020-01-20 05:40:41



The Unexpected Diversity of Pain  

It comes in many types that each require specialized treatment, and scientists are learning to diagnose different varieties -- Read more on ScientificAmerican.com

what do you think?

2020-01-20 05:23:48



Combined prenatal smoking and drinking greatly increases SIDS risk  

Children born to mothers who both drank and smoked beyond the first trimester of pregnancy have a 12-fold increased risk for Sudden Infant Death Syndrome (SIDS) compared to those unexposed or only exposed in the first trimester of pregnancy, according to a new study.

what do you think?

2020-01-20 04:31:59



How Much Sleep Do You Really Need?  

Do you really need eight hours of sleep each night to thrive? Savvy Psychologist Dr. Jade Wu breaks down the eight-hour sleep myth and offers three ways to find the best sleep for you -- Read more on ScientificAmerican.com

what do you think?

2020-01-20 03:55:06



The Coolest Physics You've Ever Heard Of  

Ultracold atoms can simulate all sorts of quantum behavior -- Read more on ScientificAmerican.com

what do you think?

2020-01-20 02:56:26



Setting controlled fires to avoid wildfires  

Despite having proven effective at reducing wildfire risks, prescribed burns have been stymied by perceived and real risks, regulations and resource shortages. A new analysis highlights ways of overcoming those barriers, offering solutions for wildfire-ravaged landscapes.

what do you think?

2020-01-20 02:06:04



Becoming less active and gaining weight: Downsides of becoming an adult  

Leaving school and getting a job both lead to a drop in the amount of physical activity, while becoming a mother is linked to increased weight gain, conclude two reviews.

what do you think?

2020-01-20 01:55:33



Local water availability is permanently reduced after planting forests  

River flow is reduced in areas where forests have been planted and does not recover over time, a new study has shown. Rivers in some regions can completely disappear within a decade. This highlights the need to consider the impact on regional water availability, as well as the wider climate benefit, of tree-planting plans.

what do you think?

2020-01-20 01:21:42



'Melting rock' models predict mechanical origins of earthquakes  

Engineers have devised a model that can predict the early mechanical behaviors and origins of an earthquake in multiple types of rock. The model provides new insights into unobservable phenomena that take place miles beneath the Earth's surface under incredible pressures and temperatures, and could help researchers better predict earthquakes -- or even, at least theoretically, attempt to stop them.

what do you think?

2020-01-19 19:02:33



New dog, old tricks? Stray dogs can understand human cues  

Pet dogs are highly receptive to commands from their owners. But is this due to their training or do dogs have an innate ability to understand human signals? A new study finds that 80% of untrained stray dogs successfully followed pointing directions from people to a specific location. The results suggest that dogs can understand and respond to complex gestures without any training, meaning that dogs may have an innate connection to human behaviors.

what do you think?

2020-01-19 16:42:16



Flour, Butter, Science, Eggs: Recipes as Science Communication  

Part protocol, part memoir, recipes can bring together the how and why -- Read more on ScientificAmerican.com

what do you think?

2020-01-19 12:39:37



Study traces evolution of acoustic communication  

A study tracing acoustic communication across the tree of life of land-living vertebrates reveals that the ability to vocalize goes back hundreds of millions of years, is associated with a nocturnal lifestyle and has remained stable. Surprisingly, acoustic communication does not seem to drive the formation of new species across vertebrates.

what do you think?

2020-01-19 12:33:07



Flour, Butter, Science, Eggs: Recipes as Science Communication  

Part protocol, part memoir, recipes can bring together the how and why -- Read more on ScientificAmerican.com

what do you think?

2020-01-19 11:28:57



Catastrophic Australian Bushfires Derail Research  

But scientists see chance to control invasive species and study ecosystem disruption -- Read more on ScientificAmerican.com

what do you think?

2020-01-19 09:20:47



Paleontologists Dig Into a Giant Sloth Boneyard  

Ancient drought and unfortunate bathroom habits may have doomed some ice age sloths -- Read more on ScientificAmerican.com

what do you think?

2020-01-19 09:19:27



Catastrophic Australian Bushfires Derail Research  

But scientists see chance to control invasive species and study ecosystem disruption -- Read more on ScientificAmerican.com

what do you think?

2020-01-19 09:05:27



Programmable nests for cells  

Using DNA, smallest silica particles, and carbon nanotubes, researchers developed novel programmable materials. These nanocomposites can be tailored to various applications and programmed to degrade quickly and gently. For medical applications, they can create environments in which human stem cells can settle down and develop further. Additionally, they are suited for the setup of biohybrid systems to produce power, for instance.

what do you think?

2020-01-19 08:38:10



Do We Possess a Transpersonal Imagination?  

Some products of our imaginations seem to spring from sources beyond our everyday selves. -- Read more on ScientificAmerican.com

what do you think?

2020-01-19 08:08:55



New scheduling tool offers both better flight choices and increased airline profits  

Researchers have developed an original approach to flight scheduling that, if implemented, could result in a significant increase in profits for airlines and more flights that align with passengers' preferences.

what do you think?

2020-01-19 07:50:16



Climate may play a bigger role than deforestation in rainforest biodiversity  

In a study on small mammal biodiversity in the Atlantic Forest, researchers found that climate may affect biodiversity in rainforests even more than deforestation does.

what do you think?

2020-01-19 06:32:55



How Gut Microbes Shape Our Response to Drugs  

The human microbiome activates some medicines, inactivates others and provokes side effects -- Read more on ScientificAmerican.com

what do you think?

2020-01-19 05:15:17



Microplastics Pollution Is Everywhere. Is It Harmful?  

Microplastics are everywhere. They've made their way into our food and water supply. There's no doubt we're ingesting them. Are they harmful? -- Read more on ScientificAmerican.com

what do you think?

2020-01-19 05:01:55



Do We Possess a Transpersonal Imagination?  

Some products of our imaginations seem to spring from sources beyond our everyday selves. -- Read more on ScientificAmerican.com

what do you think?

2020-01-19 04:31:46



How Gut Microbes Shape Our Response to Drugs  

The human microbiome activates some medicines, inactivates others and provokes side effects -- Read more on ScientificAmerican.com

what do you think?

2020-01-19 04:25:23



Paleontologists Dig Into a Giant Sloth Boneyard  

Ancient drought and unfortunate bathroom habits may have doomed some ice age sloths -- Read more on ScientificAmerican.com

what do you think?

2020-01-19 04:24:34



Microplastics Pollution Is Everywhere. Is It Harmful?  

Microplastics are everywhere. They've made their way into our food and water supply. There's no doubt we're ingesting them. Are they harmful? -- Read more on ScientificAmerican.com

what do you think?

2020-01-19 02:43:18



Earth Had Its Second Warmest Year in Recorded History in 2019  

The six warmest years in recorded history have been the past six: 2014–2019 -- Read more on ScientificAmerican.com

what do you think?

2020-01-18 20:04:28



What does it take to succeed in science?  



what do you think?

2020-01-18 13:18:41



Supercomputer Scours Fossil Record for Earth's Hidden Extinctions  

Paleontologists have charted 300 million years of Earth’s history in breathtaking detail -- Read more on ScientificAmerican.com

what do you think?

2020-01-18 10:53:13



Readers Respond to the September 2019 Issue  

Letters to the editor from the September 2019 issue of Scientific American -- Read more on ScientificAmerican.com

what do you think?

2020-01-18 10:01:57



7 Benefits of Swimming and How to Get Them  

Get-Fit Guy takes a deeper dive into some of the more surprising benefits of going for a swim -- Read more on ScientificAmerican.com

what do you think?

2020-01-18 09:02:10



Earth Had Its Second Warmest Year in Recorded History in 2019  

The six warmest years in recorded history have been the past six: 2014–2019 -- Read more on ScientificAmerican.com

what do you think?

2020-01-18 07:47:04



My Go-To Arguments for Free Will  

Free will must exist if some of us have more of it than others -- Read more on ScientificAmerican.com

what do you think?

2020-01-18 07:32:08



On Earth: Stardust from 7.5 Billion Years Ago  

Deep inside a 1968 meteorite fall are grains from an entirely different cosmic era -- Read more on ScientificAmerican.com

what do you think?

2020-01-18 05:10:43



Readers Respond to the September 2019 Issue  

Letters to the editor from the September 2019 issue of Scientific American -- Read more on ScientificAmerican.com

what do you think?

2020-01-18 04:30:43



What does it take to succeed in science?  



what do you think?

2020-01-18 03:18:47



On Earth: Stardust from 7.5 Billion Years Ago  

Deep inside a 1968 meteorite fall are grains from an entirely different cosmic era -- Read more on ScientificAmerican.com

what do you think?

2020-01-18 02:45:21



Supercomputer Scours Fossil Record for Earth's Hidden Extinctions  

Paleontologists have charted 300 million years of Earth’s history in breathtaking detail -- Read more on ScientificAmerican.com

what do you think?

2020-01-18 02:23:33



My Go-To Arguments for Free Will  

Free will must exist if some of us have more of it than others -- Read more on ScientificAmerican.com

what do you think?

2020-01-18 02:16:06



7 Benefits of Swimming and How to Get Them  

Get-Fit Guy takes a deeper dive into some of the more surprising benefits of going for a swim -- Read more on ScientificAmerican.com

what do you think?

2020-01-18 01:48:56



Do Artificial Sweeteners Actually Help With Weight Loss?  

Sweet like sugar, but without the calories — a promise that might be too good to be true.

what do you think?

2020-01-17 22:09:49



Male sparrows are less intimidated by the songs of aging rivals  

Few singers reach their sunset years with the same voice they had in younger days. Songbirds are no different. New research reveals that elderly swamp sparrows don't sound quite like they used to -- nor do they strike the same fear in other males who may be listening in. Humans are remarkably good at guessing a person's age by their voice. But this is the first time the phenomenon has been demonstrated in wild animals.

what do you think?

2020-01-17 18:30:56



Low doses of radiation used in medical imaging lead to mutations in cell cultures  

Common medical imaging procedures use low doses of radiation that are believed to be safe. A new study, however, finds that in human cell cultures, these doses create breaks that allow extra bits of DNA to integrate into the chromosome.

what do you think?

2020-01-17 17:48:43



Spider-Man-style robotic graspers defy gravity  

Traditional methods of vacuum suction and previous vacuum suction devices cannot maintain suction on rough surfaces due to vacuum leakage, which leads to suction failure. Researchers have developed a zero-pressure difference method to enhance the development of vacuum suction units. Their method overcame leakage limitations by using a high-speed rotating water ring between the surface and suction cup to maintain the vacuum.

what do you think?

2020-01-17 17:47:33



Walking with atoms: Chemical bond making and breaking recorded in action  

Scientists have for the first time captured and filmed atoms bonding together, using advanced microscopy methods they captured a moment that is around half a million times smaller than the width of a human hair.

what do you think?

2020-01-17 16:42:20



Spider-Man-style robotic graspers defy gravity  

Traditional methods of vacuum suction and previous vacuum suction devices cannot maintain suction on rough surfaces due to vacuum leakage, which leads to suction failure. Researchers have developed a zero-pressure difference method to enhance the development of vacuum suction units. Their method overcame leakage limitations by using a high-speed rotating water ring between the surface and suction cup to maintain the vacuum.

what do you think?

2020-01-17 16:35:44



Internet use reduces study skills in university students  

Research has shown that students who use digital technology excessively are less motivated to engage with their studies, and are more anxious about tests. This effect was made worse by the increased feelings of loneliness that use of digital technology produced.

what do you think?

2020-01-17 13:43:39



Rich rewards: Scientists reveal ADHD medication's effect on the brain  

Researchers have identified how certain areas of the human brain respond to methylphenidate -- a stimulant drug which is used to treat symptoms of ADHD. The work may help researchers understand the precise mechanism of the drug and ultimately develop more targeted medicines for the condition.

what do you think?

2020-01-17 13:34:51



Low doses of radiation used in medical imaging lead to mutations in cell cultures  

Common medical imaging procedures use low doses of radiation that are believed to be safe. A new study, however, finds that in human cell cultures, these doses create breaks that allow extra bits of DNA to integrate into the chromosome.

what do you think?

2020-01-17 13:19:47



The Peril and Power of Following the Evidence  

The author, a climate scientist, faced a political controversy, along with a personal crisis, more than two decades ago, bringing lessons that resonate today -- Read more on ScientificAmerican.com

what do you think?

2020-01-17 13:06:35



To Conserve Marine Species, Make Protected Areas Mobile  

Because climate change is shifting ocean ecosystems, sanctuaries need to shift with them, experts argue -- Read more on ScientificAmerican.com

what do you think?

2020-01-17 12:58:19



What is an endangered species?  

What makes for an endangered species classification isn't always obvious.

what do you think?

2020-01-17 12:48:19



How sensitive can a quantum detector be?  

Measuring the energy of quantum states requires detecting energy changes so exceptionally small they are hard to pick out from background fluctuations, like using only a thermometer to try and work out if someone has blown out a candle in the room you're in. New research presents sensitive quantum thermometry hitting the bounds that nature allows.

what do you think?

2020-01-17 12:48:14



Molecules move faster over rough terrain  

Contrary to what one might think, molecules can move faster in the proximity of rougher surfaces.

what do you think?

2020-01-17 12:39:43



Walking with atoms: Chemical bond making and breaking recorded in action  

Scientists have for the first time captured and filmed atoms bonding together, using advanced microscopy methods they captured a moment that is around half a million times smaller than the width of a human hair.

what do you think?

2020-01-17 12:39:36



A Vision of Ephemeral Ice  

Artist Shoshannah White views the endangered Arctic ice through a unique lens -- Read more on ScientificAmerican.com

what do you think?

2020-01-17 12:10:09



Fun and Games with Neuroscience  

Brain Games turns human behavior into pop television entertainment.

what do you think?

2020-01-17 12:01:21



Human fetal lungs harbor a microbiome signature  

The lungs and placentas of fetuses in the womb -- as young as 11 weeks after conception -- already show a bacterial microbiome signature, which suggests that bacteria may colonize the lungs well before birth. This first-time finding deepens the mystery of how the microbes or microbial products reach those organs before birth and what role they play in normal lung and immune system development.

what do you think?

2020-01-17 11:56:13



Cheap drug may alleviate treatment-resistance in leukemia  

A common and inexpensive drug may be used to counteract treatment resistance in patients with acute myeloid leukemia (AML), one of the most common forms of blood cancer. The researchers will now launch a clinical study to test the new combination treatment in patients.

what do you think?

2020-01-17 11:47:26



How sensitive can a quantum detector be?  

Measuring the energy of quantum states requires detecting energy changes so exceptionally small they are hard to pick out from background fluctuations, like using only a thermometer to try and work out if someone has blown out a candle in the room you're in. New research presents sensitive quantum thermometry hitting the bounds that nature allows.

what do you think?

2020-01-17 11:46:25



Human ancestors started biodiversity decline millions of years ago  

The human-caused biodiversity decline started much earlier than researchers used to believe. According to a new study the process was not started by our own species but by some of our ancestors.

what do you think?

2020-01-17 11:33:22



Human fetal lungs harbor a microbiome signature  

The lungs and placentas of fetuses in the womb -- as young as 11 weeks after conception -- already show a bacterial microbiome signature, which suggests that bacteria may colonize the lungs well before birth. This first-time finding deepens the mystery of how the microbes or microbial products reach those organs before birth and what role they play in normal lung and immune system development.

what do you think?

2020-01-17 11:30:03



Focus on opioids and cannabis in chronic pain media coverage  

New Zealand media reports on chronic pain are focusing on treatments involving opioids and cannabis at the expense of best practice non-drug treatments, researchers have found.

what do you think?

2020-01-17 11:15:44



America's most widely consumed oil causes genetic changes in the brain  

New research shows soybean oil not only leads to obesity and diabetes, but could also affect neurological conditions like autism, Alzheimer's disease, anxiety, and depression.

what do you think?

2020-01-17 10:47:43



Are Human Body Temperatures Cooling Down?  

A new study finds that they have dropped, on average, over the past century and a half -- Read more on ScientificAmerican.com

what do you think?

2020-01-17 10:46:41



The way you dance is unique, and computers can tell it's you  

Nearly everyone responds to music with movement, whether through subtle toe-tapping or an all-out boogie. A recent discovery shows that our dance style is almost always the same, regardless of the type of music, and a computer can identify the dancer with astounding accuracy.

what do you think?

2020-01-17 09:58:46



It takes more than two to tango: Microbial communities influence animal sex and reproduction  

It is an awkward idea, but a couple's ability to have kids may partly depend on who else is present. The reproductive tracts of males and females contain whole communities of micro-organisms. These microbes can have considerable impact on (animal) fertility and reproduction. They may even lead to new species.

what do you think?

2020-01-17 09:56:51



Astronomers Find Four Strange New Objects in the Center of the Milky Way  

The dust-shrouded objects may be binary stars merging as they orbit the supermassive black hole in our galaxy's core.

what do you think?

2020-01-17 09:38:17



Charge model for calculating the photoexcited states of one-dimensional Mott insulators  

Researchers have developed a charge model to describe photoexcited states of one-dimensional Mott insulators. They have also succeeded in constructing a many-body Wannier function as the localized basis state of the photoexcited states and calculating large-system, optical conductivity spectra that can be compared with experimental results.

what do you think?

2020-01-17 09:35:03



There's Not Enough Data on How Women Deal With Endometriosis. These Scientists are Changing That  

Phendo is an app that, with the help of citizen scientists, seeks to catalog endometriosis symptoms and increase understanding and visibility of this "invisible" disease.

what do you think?

2020-01-17 09:23:50



Transformational innovation needed to reach global forest restoration goals  

New research finds that global South countries have pledged the largest areas of land to forest restoration, and are also farthest behind in meeting their targets due to challenging factors such as population growth, corruption, and deforestation.

what do you think?

2020-01-17 09:19:31



The core of massive dying galaxies already formed 1.5 billion years after the Big Bang  

The most distant dying galaxy discovered so far, more massive than our Milky Way -- with more than a trillion stars -- has revealed that the 'cores' of these systems had formed already 1.5 billion years after the Big Bang, about 1 billion years earlier than previous measurements revealed. The discovery will add to our knowledge on the formation of the Universe more generally, and may cause the computer models astronomers use, one of the most fundamental tools, to be revised.

what do you think?

2020-01-17 09:17:32



Self-assembled artificial microtubules developed  

Simple LEGO bricks can be assembled to more complicated structures, which can be further associated into a wide variety of complex architectures, from automobiles, rockets, and ships to gigantic castles and amusement parks. Such an event of multi-step assembly, so-called 'hierarchical self-assembly', also happens in living organisms.

what do you think?

2020-01-17 09:16:25



Activation of a distinct genetic pathway can slow the progress of metastatic breast cancer  

Activation of the BMP4 signalling pathway presents a new therapeutic strategy to combat metastatic breast cancer, a disease that has shown no reduction in patient mortality over the past 20 years.

what do you think?

2020-01-17 09:12:55



Microplastics affect sand crabs' mortality and reproduction  

Sand crabs, a key species in beach ecosystems, were found to have increased adult mortality and decreased reproductive success when exposed to plastic microfibers, according to a new study.

what do you think?

2020-01-17 08:51:38



Molecules move faster over rough terrain  

Contrary to what one might think, molecules can move faster in the proximity of rougher surfaces.

what do you think?

2020-01-17 08:51:32



Chemists allow boron atoms to migrate  

Organic molecules with atoms of the semi-metal boron are important building blocks for synthesis products to produce drugs and agricultural chemicals. However, the conversion of substances commonly used in industry often results in the loss of the valuable boron unit, which can replace another atom in a molecule. Chemists now introduce carbon-carbon couplings in which the boron atom is retained.

what do you think?

2020-01-17 08:31:43



Rich rewards: Scientists reveal ADHD medication's effect on the brain  

Researchers have identified how certain areas of the human brain respond to methylphenidate -- a stimulant drug which is used to treat symptoms of ADHD. The work may help researchers understand the precise mechanism of the drug and ultimately develop more targeted medicines for the condition.

what do you think?

2020-01-17 08:30:49



Charge model for calculating the photoexcited states of one-dimensional Mott insulators  

Researchers have developed a charge model to describe photoexcited states of one-dimensional Mott insulators. They have also succeeded in constructing a many-body Wannier function as the localized basis state of the photoexcited states and calculating large-system, optical conductivity spectra that can be compared with experimental results.

what do you think?

2020-01-17 08:30:43



Not all of nature's layered structures are tough as animal shells and antlers  

Engineers looking to nature for inspiration have long assumed that layered structures like those found in mollusk shells enhance a material's toughness, but a study shows that's not always the case. The findings may help engineers avoid 'naive biomimicry, the researchers say.

what do you think?

2020-01-17 08:12:24



This Fish Knows How to Stick Around  

The remora clings to other fish—and appears to use an unusual sense of touch to do so. Christopher Intagliata reports.  -- Read more on ScientificAmerican.com

what do you think?

2020-01-17 08:10:56



Chemists allow boron atoms to migrate  

Organic molecules with atoms of the semi-metal boron are important building blocks for synthesis products to produce drugs and agricultural chemicals. However, the conversion of substances commonly used in industry often results in the loss of the valuable boron unit, which can replace another atom in a molecule. Chemists now introduce carbon-carbon couplings in which the boron atom is retained.

what do you think?

2020-01-17 08:06:51



Ingestible medical devices can be broken down with light  

Engineers have developed a light-sensitive material that allows gastrointestinal devices to be triggered to break down inside the body when they are exposed to light from an ingestible LED.

what do you think?

2020-01-17 07:31:39






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