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Top Science News

September 23, 2023
Jellyfish, With No Central Brain, Shown to Learn from Past Experience
Sep. 22, 2023 — Even without a central brain, jellyfish can learn from past experiences like humans, mice, and flies, scientists report for the first time. They trained Caribbean box jellyfish (Tripedalia cystophora) to learn to spot and dodge obstacles. The study ...
Astronomers Find Abundance of Milky Way-Like Galaxies in Early Universe, Rewriting Cosmic Evolution Theories
Sep. 22, 2023 — Galaxies from the early Universe are more like our own Milky Way than previously thought, flipping the entire narrative of how scientists think about structure formation in the Universe, according to ...
Scientists Regenerate Neurons That Restore Walking in Mice After Paralysis from Spinal Cord Injury
Sep. 21, 2023 — In a new study in mice, researchers have uncovered a crucial component for restoring functional activity after spinal cord injury. The neuroscientists have shown that re-growing specific neurons back ...
Archaeologists Discover World's Oldest Wooden Structure
Sep. 20, 2023 — Half a million years ago, earlier than was previously thought possible, humans were building structures made of wood, according to new ...
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An Implantable Device Could Enable Injection-Free Control of Diabetes
Sep. 18, 2023 — Engineers designed an implantable device that carries hundreds of thousands of islet cells along with its own on-board oxygen factory to keep the cells healthy. Such a device could help Type 1 diabetes patients eliminate the need for insulin ...
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Why Are You Better at Recognizing Upright Faces? Clues from a Person Who Sees the World Differently
Sep. 22, 2023 — When you see a familiar face upright, you'll recognize it right away. But if you saw that same face upside down, it's much harder to place. Now researchers who've studied Claudio, a 42-year-old man whose head is rotated back almost 180 degrees such that it sits between his shoulder blades, suggest that the reason people are so good at processing ...
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Scientists Successfully Maneuver Robot Through Living Lung Tissue
Sep. 21, 2023 — Scientists have shown that their steerable lung robot can autonomously maneuver the intricacies of the lung, while avoiding important lung ...
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At Which Age We Are at Our Happiest?
Sep. 19, 2023 — At what age are people at their happiest? This seemingly simple question has been studied extensively over the past decades, but a definitive answer has long been elusive. A research team has now shed light on the question in a comprehensive meta-analytic review. The findings show that the respondents' life satisfaction decreased between the ages of 9 and 16, then increased slightly until the age ...
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Astronomers Discover Newborn Galaxies With the James Webb Space Telescope
Sep. 22, 2023 — With the launch of the James Webb Space Telescope, astronomers are now able to peer so far back in time that we are approaching the epoch where we think that the first galaxies were created. Throughout most of the history of the Universe, galaxies seemingly tend to follow a tight relation between how many stars they have formed, and how many heavy elements they have formed. But for the first time ...
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Carbon Source Found on Surface of Jupiter's Moon Europa
Sep. 22, 2023 — Astronomers using data from NASA's James Webb Space Telescope have identified carbon dioxide in a specific region on the icy surface of ...
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No Shortcuts: New Approach May Help Extract More Heat from Geothermal Reservoirs
Sep. 21, 2023 — Geothermal heat offers a promising source of renewable energy with almost zero emissions, but it remains a relatively expensive option to generate electricity. A new technique may help prevent 'short-circuits' that can cause geothermal power plants to halt production, potentially improving the efficiency of geothermal power, the researchers ...
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Shape-Changing Smart Speaker Lets Users Mute Different Areas of a Room
Sep. 21, 2023 — A team has developed a shape-changing smart speaker, which uses self-deploying microphones to divide rooms into speech zones and track the positions of individual ...
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Researchers Issue Urgent Call to Save the World's Largest Flower -Rafflesia -- From Extinction
Sep. 20, 2023 — A new study finds that most Rafflesia species, which produce the world's largest flowers, face extinction. Lack of protection at local, national, and international levels means that remaining populations are under critical ...
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Probing the Deep Genetic Structure of Africa
Sep. 22, 2023 — Using ancestry decomposition techniques an international research team has revealed a deeply divergent ancestry among admixed populations from the Angolan Namib desert. This unique genetic heritage brings the researchers closer to understanding the distribution of genetic variation in the broader region of southern Africa before the spread of food ...
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Migratory Birds Can Be Taught to Adjust to Climate Change
Sep. 22, 2023 — One result of climate change is that spring is arriving earlier. However, migratory birds are not keeping up with these developments and arrive too late for the peak in food availability when it is time for breeding. By getting the birds to fly a little further north, researchers have observed that these birds can give their chicks a better start in ...
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Conversations With Plants: Can We Provide Plants With Advance Warning of Impending Dangers?
Sep. 21, 2023 — Plant scientists have engineered a light-controlled gene expression system (optogenetics system) from a prokaryotic system into a eukaryotic system that is tailored for ...
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Health News
September 23, 2023
New Evidence Indicates Patients Recall Death Experiences After Cardiac Arrest
Sep. 14, 2023 — Up to an hour after their hearts had stopped, some patients revived by cardiopulmonary resuscitation (CPR) had clear memories afterward of experiencing death and had brain patterns while unconscious ...
Healthy Lifestyle Can Help Prevent Depression -- And New Research May Explain Why
Sep. 11, 2023 — A healthy lifestyle that involves moderate alcohol consumption, a healthy diet, regular physical activity, healthy sleep and frequent social connection, while avoiding smoking and too much sedentary ...
Researchers Grow Embryonic Humanized Kidneys Inside Pigs for 28 Days
Sep. 7, 2023 — Researchers have successfully created chimeric embryos containing a combination of human and pig cells. When transferred into surrogate pig mothers, the developing humanized kidneys had normal structure and tubule formation after 28 days. This is ...
Researchers Identify the Link Between Memory and Appetite in the Human Brain to Explain Obesity
Aug. 30, 2023 — Disrupted connections between memory and appetite regulating brain circuits are directly proportional to body mass index (BMI), notably in patients who suffer from disordered or overeating that can ...
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Posttraumatic Brain Activity Predicts Resilience to PTSD
Sep. 21, 2023 — After a traumatic experience, most people recover without incident, but some people -- between 2% and 10% -- develop posttraumatic stress disorder (PTSD), a mental health condition that can cause debilitating symptoms of anxiety due to emotional dysregulation. PTSD symptoms are present in up to 40% of trauma survivors in the acute aftermath of trauma, but full-blown PTSD develops in only a small ...
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Combination of Cancer Vaccine and T Cell Therapy Benefits Patients With Advanced Ovarian Cancer
Sep. 21, 2023 — A study has shown that combining adoptive T cell therapy (ACT) with an innovative, personalized cancer vaccine under development can benefit patients with late-stage, drug-resistant ovarian ...
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Lower Risk of Haematological Cancer After Bariatric Surgery
Sep. 21, 2023 — Obesity surgery is associated with a 40% lower risk of haematological cancer. This has been shown in a study at the University of Gothenburg. This clear link is expected to influence future research in the ...
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Study Shows Morning and Afternoon Slightly Better Than Evening Physical Activity for Diabetes Prevention
Sep. 21, 2023 — New research shows that morning and afternoon physical activity are associated with a lower risk of developing type 2 diabetes across all population levels of education and income, but found no statistically significant association between evening physical activity and risk type 2 ...
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Scientists Find New Evidence to Explain How We Pay Attention
Sep. 21, 2023 — A team of researchers has uncovered new clues about how chemicals released by brain cells regulate our attention ...
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Fruit Flies Offer Clues to How Brains Make Reward-Based Decisions
Sep. 22, 2023 — New research finds fruit flies make decisions based on their expectations about the likelihood of a reward and pinpoints the site in the fly brain where these value adjustments are made, enabling researchers to directly test a theory about how the brain enables this behavior on the level of neural ...
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College Athletes Experience Worse Post-Injury Outcomes for Concussions Suffered Outside of Sports
Sep. 20, 2023 — Researchers found that college athletes had worse post-injury outcomes related to concussions they experienced outside of sports than those they experienced while playing sports. Additionally, female athletes who sustained their injury outside of sports had more severe symptoms and more days in sports lost to injury relative to male athletes. ...
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Young Children Do Better at School If Their Dads Read and Play With Them
Sep. 20, 2023 — Fathers can give their children an educational advantage at primary school by reading, drawing and playing with them, according to a newly published ...
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Exercise and Muscle Regulation: Implications for Diabetes and Obesity
Sep. 20, 2023 — How do our muscles respond at the molecular level to exercise? Researchers have unraveled the cellular basis and signaling pathways responsible for the positive impact of physical activity on our overall health. Regulatory T cells, a type of immune cell, play a critical role in ensuring proper muscle function. These novel insights are paving the path towards precision medicines targeting ...
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Study Finds Two Antibiotics for Children With Sinusitis Equally Effective, but One Had Fewer Side Effects
Sep. 19, 2023 — Acute sinusitis is one of the most common causes for children to be put on antibiotic medications, with patients in the United States filing nearly 5 million antibiotic prescriptions every year to treat the condition. The drugs amoxicillin and amoxicillin-clavulanate make up most of those prescriptions, but there is a lack of consensus on which ...
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Plant and Forest Researchers Do Not 'Anthropomorphize' Plants
Sep. 20, 2023 — Plants are often attributed with abilities similar to those known in the animal or human world. Trees are said to have feelings and can therefore care for their offspring, like mothers. Researchers analyzed the claims in two popular publications on forests and reached the conclusion that conjecture is equated with fact. They warn against 'anthropomorphizing' ...
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Effective Visual Communication of Climate Change
Sep. 20, 2023 — The consequences of a warming climate frequently dominated the news this summer, from devastating wildfires and floods to deadly heat waves across the globe. Reducing harm from climate change is a challenging endeavor, and it requires comprehensive public education. Thus, the question arises: How can climate change science be made most accessible to the general population, as well as ...
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Physical/Tech News
September 23, 2023
Water World? Methane, Carbon Dioxide in Atmosphere of Massive Exoplanet
Sep. 11, 2023 — A new investigation with NASA's James Webb Space Telescope into K2-18 b, an exoplanet 8.6 times as massive as Earth, has revealed the presence of carbon-bearing molecules including methane and carbon dioxide. Webb's discovery adds to recent studies ...
Vast Bubble of Galaxies Discovered, Given Hawaiian Name
Sep. 5, 2023 — The immense bubble is 820 million light years from Earth and believed to be a fossil-like remnant of the birth of the ...
A Step Closer to Digitizing the Sense of Smell: Model Describes Odors Better Than Human Panelists
Aug. 31, 2023 — A main crux of neuroscience is learning how our senses translate light into sight, sound into hearing, food into taste, and texture into touch. Smell is where these sensory relationships get more ...
New Giant Planet Evidence of Possible Planetary Collisions
Aug. 31, 2023 — A Neptune-sized planet denser than steel has been discovered by an international team of astronomers, who believe its composition could be the result of a giant planetary ...
Latest Physical/Tech Headlines
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Researchers Develop First Method to Study microRNA Activity in Single Cells
Sep. 21, 2023 — Researchers have developed the first method to uncover the tasks that microRNAs perform in single cells. This is a huge improvement over existing state-of-the-art methods that require millions of cells and will for the first time allow researchers to study microRNAs in complex tissues such as ...
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Nanoparticles Made from Plant Viruses Could Be Farmers' New Ally in Pest Control
Sep. 21, 2023 — Engineers have devised a new solution to control a major agricultural menace, root-damaging nematodes. Using plant viruses, the researchers created nanoparticles that can deliver pesticide molecules to previously inaccessible depths in the soil. This 'precision farming' approach could potentially minimize environmental toxicity and cut costs for ...
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Scaling Up the Power of Nanotechnology
Sep. 21, 2023 — Researchers created a proof of concept of a nanocapsule -- a microscopic container -- capable of delivering a specific 'payload' to a targeted location. While beyond the scope of this study, the discovery could one day impact how drugs, nutrients and other types of chemical compounds are delivered within humans or ...
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Shh! Quiet Cables Set to Help Reveal Rare Physics Events
Sep. 21, 2023 — Newly developed ultra-low radiation cables reduce background noise for neutrino and dark matter ...
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New Mars Gravity Analysis Improves Understanding of Possible Ancient Ocean
Sep. 20, 2023 — The first use of a novel method of analyzing Mars' gravitational force supports the idea that the planet once had an extensive northern ocean. In doing so, the method defines the scope of what scientists refer to as the northern Martian paleo-ocean in more ...
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New Recipes for Origin of Life May Point Way to Distant, Inhabited Planets
Sep. 19, 2023 — Life on a faraway planet -- if it's out there -- might not look anything like life on Earth. But there are only so many chemical ingredients in the universe's pantry, and only so many ways to mix them. Scientists have now exploited those limitations to write a cookbook of hundreds of chemical recipes with the potential to give rise to life. Their ingredient list could focus the search for life ...
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Tag Team of the James Webb Space Telescope and ALMA Captures the Core of the Most Distant Galaxy Protocluster
Sep. 20, 2023 — An international research team has used the James Webb Space Telescope and the Atacama Large Millimeter/submillimeter Array to observe the most distant galaxy protocluster to date, 13.14 billion light-years away. The team has successfully captured the 'core region' of the galaxy protocluster, which corresponds to a metropolitan area with a ...
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Black Holes Eat Faster Than Previously Expected
Sep. 20, 2023 — While previous researchers have hypothesized that black holes eat slowly, new simulations indicate that black holes scarf food much faster than conventional understanding suggests. Some quasars brighten and disappear within months -- a time scale that aligns with the new ...
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Topological Materials Open a New Pathway for Exploring Spin Hall Materials
Sep. 21, 2023 — A recent discovery in spintronics could potentially transform future electronics. A group of researchers have revealed the key role of cobalt-tin-sulfur in reducing energy consumption, unlocking new possibilities for high-speed, low-power spintronic ...
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Cloud Services Without Servers: What's Behind It
Sep. 20, 2023 — A new generation of cloud services is on the rise. It is based on the paradigm of 'serverless computing'. A recent article deals with the history, status and potential of serverless ...
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AI Helps Bring Clarity to LASIK Patients Facing Cataract Surgery
Sep. 21, 2023 — Scientists develop computer models of patients' eyes to identify the ideal intraocular lenses and visual simulators for patients to experience how they will see with ...
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Novel Organic Light-Emitting Diode With Ultralow Turn-on Voltage for Blue Emission
Sep. 20, 2023 — An upconversion organic light-emitting diode (OLED) based on a typical blue-fluorescence emitter achieves emission at an ultralow turn-on voltage of 1.47 V. The technology circumvents the traditional high voltage requirement for blue OLEDs, leading to potential advancements in commercial smartphone and large screen ...
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Environment News
September 23, 2023
Earth's Stability and Ability to Support Civilization at Risk: Six of Nine Planetary Boundaries Exceeded
Sep. 13, 2023 — A new study updates the planetary boundary framework and shows human activities are increasingly impacting the planet and, thereby, increasing the risk of triggering dramatic changes in overall Earth ...
Human Shoulders and Elbows First Evolved as Brakes for Climbing Apes
Sep. 5, 2023 — Researchers report that the flexible shoulders and elbows that allow us to throw a football or reach a high shelf may have evolved as a natural braking system that let our primate ancestors get out of trees without dying. The researchers used ...
Using Evidence from Last Ice Age, Scientists Predict Effects of Rising Seas on Coastal Habitats
Aug. 31, 2023 — The rapid sea level rise and resulting retreat of coastal habitat seen at the end of the last Ice Age could repeat itself if global average temperatures rise beyond certain levels, according to an ...
Bat Study Reveals How the Brain Is Wired for Collective Behavior
Aug. 30, 2023 — Researchers used wireless neural recording and imaging devices to 'listen in' on the hippocampal brain activity of groups of Egyptian fruit bats as they flew freely within a large flight room. The researchers were surprised to find that, in this ...
Latest Environment Headlines
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Understanding the Sex Life of Coral Gives Hope of Clawing It Back from the Path to Extinction
Sep. 21, 2023 — Scientists have mapped the reproductive strategies and life cycle of an endangered coral species, the purple cauliflower soft coral Dendronephthya australis. Lab-grown larvae have been successfully introduced back into the ...
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Mussels Able to Adjust Heart Rate to Cope With Marine Heatwaves
Sep. 21, 2023 — New research shows that mussels are pretty crafty sea creatures: able to withstand marine heatwaves by adjusting their heart rate and other physiological functions, boding well for their survival in future decades as the world heats ...
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Monkeys Cause a Stink in Response to Human Noise
Sep. 21, 2023 — New research has found that monkeys increase their use of scent markings to compensate for human noise pollution. The study has investigated how primates change their communication strategies in response to noise pollution. The researchers studied endangered pied tamarins (Saguinus bicolor), which use both vocal calls and scent markings. The researchers found that the frequency of scent marking ...
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Socially Vulnerable Populations Are Disproportionately Exposed to Wildfires in the Western US
Sep. 20, 2023 — People experiencing a high degree of social vulnerability are also more exposed to wildfires in Oregon and Washington as wildfire risk increases, a new study ...
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Long-Lasting La Nina Events More Common Over Past Century
Sep. 21, 2023 — Multiyear La Niña events have become more common over the last 100 years, according to a new study. Five out of six La Nina events since 1998 have lasted more than one year, including an unprecedented triple-year ...
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Alarming Results from World First Study of Two Decades of Global Smoke Pollution
Sep. 20, 2023 — The world's first study of the increase in pollution from landscape fires across the globe over the past two decades reveals that over 2 billion people are exposed to at least one day of potentially health-impacting environmental hazard annually -- a figure that has increased by 6.8 per cent in the last ten ...
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How Wind Turbines React to Turbulence
Sep. 19, 2023 — The output of wind turbines can rise or fall by 50 per cent in a matter of seconds. Such fluctuations in the megawatt range put a strain on both power grids and the turbines themselves. A new study presents a new stochastic method that could help to mitigate these sudden swings and achieve a more consistent electricity ...
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Colorful Primates Don't Have Better Color Vision, Study Finds
Sep. 22, 2023 — Primate species with better color vision are not more likely to have red skin or fur coloration, as previously ...
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Dinosaur Feathers Reveal Traces of Ancient Proteins
Sep. 21, 2023 — Palaeontologists have discovered X-ray evidence of proteins in fossil feathers that sheds new light on feather ...
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Ancient Amazonians Intentionally Created Fertile 'Dark Earth'
Sep. 20, 2023 — A new study suggests patches of fertile soil in the Amazon, known as dark earth, were intentionally produced by ancient Amazonians as a way to improve the soil and sustain large and complex ...
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Slow Growth in Crocodile Ancestors Pre-Dated Their Semi-Aquatic Lifestyle
Sep. 20, 2023 — A groundbreaking study is reshaping our understanding of crocodile evolution by pinpointing the onset of slow growth rates to the Late Triassic period, much earlier than the previously assumed Early Jurassic timeline. The research highlights newly discovered fossil crocodile ancestors (known as crocodylomorphs) that exhibited slow growth rates, similar to modern-day crocodilians. Intriguingly, ...
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Prehistoric Fish Fills 100 Million Year Gap in Evolution of the Skull
Sep. 20, 2023 — X-rays of an ancient jawless fish shows earliest-known example of internal cartilage skull, unlike that of any other known ...
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Society/Education News
September 23, 2023
Barnacles May Help Reveal Location of Lost Malaysia Airlines Flight MH370
Aug. 23, 2023 — Geoscientists have created a new method that can reconstruct the drift path and origin of debris from flight MH370, an aircraft that went missing over the Indian Ocean in 2014 with 239 passengers and ...
Sweet Smell of Success: Simple Fragrance Method Produces Major Memory Boost
Aug. 1, 2023 — When a fragrance wafted through the bedrooms of older adults for two hours every night for six months, memories skyrocketed. Participants in this study reaped a 226% increase in cognitive capacity compared to the control group. The researchers say ...
GPT-3 Can Reason About as Well as a College Student, Psychologists Report
July 31, 2023 — The artificial intelligence language model GPT-3 performed as well as college students in solving certain logic problems like those that appear on standardized tests. The researchers who conducted the experiment write that the results prompt the ...
Crawford Lake, Canada, Chosen as the Primary Marker to Identify the Start of the Anthropocene Epoch
July 11, 2023 — An international team of researchers has chosen the location which best represents the beginnings of what could be a new geological epoch, the Anthropocene. The Anthropocene Working Group have put ...
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How to Keep People out of the Emergency Room
Sep. 19, 2023 — New research shows helping immigrants schedule primary-care appointments lowers their number of emergency-room ...
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How to Tackle the Global Deforestation Crisis
Sep. 20, 2023 — New research examines the 'revolution' in the study of deforestation brought about by satellites, and analyzing which kinds of policies might limit climate-altering ...
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Breaking in the Black Box of Pedagogical Authority
Sep. 19, 2023 — How does pedagogical authority operate in the classroom? A team has produced one of the first in-depth field studies on this subject. By filming teachers in training over a period of several months, the researchers identified different ways of exercising teaching authority and assessed their effectiveness. They found that strategies based on double addressing -- i.e. addressing several students ...
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Most People Rely on Parents for Material Support Into Adulthood
Sep. 20, 2023 — A new study finds that only a third of adults in the United States did not rely on their parents for some form of material support between their late teens and early ...
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Dopamine Regulates How Quickly and Accurately Decisions Are Made
Sep. 19, 2023 — Computer models provide new insight into how the neurotransmitter dopamine controls learning and decision-making ...
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New Research Highlights Importance of Equity in Education
Sep. 18, 2023 — A new study looks at the impact of learning environments on the academic success of racialized students. Compared to their peers, these students feel they have less control in their academic environment, less confidence and self-efficacy in their academic abilities, and weaker connections to other students and ...
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Sleep-Wake Therapy Gives New Hope for Teens With Depression
Sep. 8, 2023 — School systems aren't built for kids who fall asleep and wake up late, the so-called 'night owls,' which may help explain why this group of teens is more prone to ...
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Are US Teenagers More Likely Than Others to Exaggerate Their Math Abilities?
Sep. 14, 2023 — A major new study has revealed that American teenagers are more likely than any other nationality to brag about their math ...
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What the French Revolution Can Teach Us About Inflation
Sep. 18, 2023 — Study finds that politics, public expectations fuel ...
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Remote Work Can Slash Your Carbon Footprint -- If Done Right
Sep. 18, 2023 — Remote workers can have a 54% lower carbon footprint compared with onsite workers, according to a new study, with lifestyle choices and work arrangements playing an essential role in determining the environmental benefits of remote and hybrid ...
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Top Scientists, Engineers Choose Startups Over Tech Behemoths for Reasons Other Than Money
Sep. 18, 2023 — Non-monetary benefits such as independence, autonomy and the ability to work on innovative technologies are among the key selling points for talented scientists and engineers who spurn working for a bigger technology firm in favor of a riskier ...
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Verbal Nonsense Reveals Limitations of AI Chatbots
Sep. 14, 2023 — The era of artificial-intelligence chatbots that seem to understand and use language the way we humans do has begun. Under the hood, these chatbots use large language models, a particular kind of neural network. But a new study shows that large language models remain vulnerable to mistaking nonsense for natural language. To a team of researchers, it's a flaw that might point toward ways to ...
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