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Top Science News

November 20, 2023
Printed Robots With Bones, Ligaments, and Tendons
Nov. 15, 2023 — For the first time, researchers have succeeded in printing a robotic hand with bones, ligaments and tendons made of different polymers using a new laser scanning technique. The new technology makes it possible to 3D print special plastics with ...
James Webb Space Telescope Detects Water Vapor, Sulfur Dioxide and Sand Clouds in the Atmosphere of a Nearby Exoplanet
Nov. 15, 2023 — Astronomers have used recent observations made with the James Webb Space Telescope to study the atmosphere of the nearby exoplanet WASP-107b. Peering deep into the fluffy atmosphere of WASP-107b they ...
US Men Die 6 Years Before Women, as Life Expectancy Gap Widens
Nov. 14, 2023 — We've known for more than a century that women outlive men. But new research shows that, at least in the United States, the gap has been widening for more than a ...
Evolution of Taste: Early Sharks Were Able to Perceive Bitter Substances
Nov. 13, 2023 — New genetic data show that humans and sharks share bitter taste receptors, even though their evolutionary pathways separated nearly 500 million years ...
Latest Top Headlines
updated 7:31pm EST
Air Cleaners Don't Stop You Getting Sick
Nov. 17, 2023 — New research shows that air filtration systems or 'air cleaners' don't stop you getting sick. Air cleaners are designed to filter pollutants or contaminants out of the air that passes through ...
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New Compound Outperforms Pain Drug by Indirectly Targeting Calcium Channels
Nov. 13, 2023 — A compound -- one of 27 million screened in a library of potential new drugs -- reversed four types of chronic pain in animal studies, according to new research. The small molecule, which binds to an inner region of a calcium channel to indirectly regulate it, outperformed gabapentin without troublesome side effects, providing a promising candidate for treating ...
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Realistic Talking Faces Created from Only an Audio Clip and a Person's Photo
Nov. 16, 2023 — A team of researchers has developed a computer program that creates realistic videos that reflect the facial expressions and head movements of the person speaking, only requiring an audio clip and a face photo.   DIverse yet Realistic Facial Animations, or DIRFA, is an artificial intelligence-based program that takes audio and a photo and ...
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Scientists 3D-Print Hair Follicles in Lab-Grown Skin
Nov. 15, 2023 — Scientists have 3D-printed hair follicles in human skin tissue cultured in the lab. This marks the first time researchers have used the technology to generate hair follicles, which play an important role in skin healing and function. When it comes to engineering human skin, hair may at first seem superfluous. However, hair follicles are quite important: They produce sweat, helping regulate body ...
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'Teenage Galaxies' Are Unusually Hot, Glowing With Unexpected Elements
Nov. 20, 2023 — Using the James Webb Space Telescope, CECILIA Survey receives first data from galaxies forming two-to-three billion years after the Big Bang. By examining light from these 33 galaxies, researchers discovered their elemental composition and temperature. The ultra-deep spectrum revealed eight distinct elements: Hydrogen, helium, nitrogen, oxygen, silicon, sulfur, argon and nickel. The teenage ...
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Climate Engineering Could Slow Antarctic Ice Loss, Study Suggests
Nov. 15, 2023 — A study reports that scattering sunlight-reflecting particles in the atmosphere -- a theoretical form of climate engineering known as 'stratospheric aerosol injection' -- has potential to slow rapid ice melt in Western ...
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With Unprecedented Flares, Stellar Corpse Shows Signs of Life
Nov. 15, 2023 — After a distant star's explosive death, an active stellar corpse was the likely source of repeated energetic flares observed over several months -- a phenomenon astronomers had never seen before, astronomers ...
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When We Feel Things That Are Not There
Nov. 14, 2023 — The discovery of the phantom touch illusion provides insights into human perception and opens up new perspectives for interaction with virtual reality ...
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AI Finds Formula on How to Predict Monster Waves
Nov. 20, 2023 — Using 700 years' worth of wave data from more than a billion waves, scientists have used artificial intelligence to find a formula for how to predict the occurrence of these maritime monsters. Long considered myth, freakishly large rogue waves are very real and can split apart ships and even damage oil ...
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No Scientific Evidence for Cognitively Advanced Behaviors and Symbolism by Homo Naledi
Nov. 13, 2023 — A new study casts doubt on claims that Homo naledi, a small-brained hominin dating to between 335-241,000 years ago, deliberately buried their dead and produced rock art in Rising Star Cave, South Africa. Recent articles suggested the recent excavations at the Rising Star Cave system provided evidence of at least three burial features, two in the ...
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Plants That Survived Dinosaur Extinction Pulled Nitrogen from Air
Nov. 16, 2023 — Ancient cycad lineages that survived the extinction of the dinosaurs may have done so by relying on symbiotic bacteria in their roots to fix atmospheric nitrogen. The finding came from an effort to understand ancient atmospheres, but became an insight into plant evolution ...
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Birds Set Foot Near South Pole in Early Cretaceous, Australian Tracks Show
Nov. 16, 2023 — The discovery of 27 avian footprints on the southern Australia coast -- dating back to the Early Cretaceous when Australia was still connected to Antarctica -- opens another window onto early avian evolution and possible migratory ...
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Health News
November 20, 2023
AI Faces Look More Real Than Actual Human Face
Nov. 13, 2023 — White faces generated by artificial intelligence (AI) now appear more real than human faces, according to new research. In the study, more people thought AI-generated white faces were human than the faces of real people. The same wasn't true for ...
Any Activity Is Better for Your Heart Than Sitting -- Even Sleeping
Nov. 9, 2023 — Replacing sitting with as little as a few minutes of moderate exercise a day tangibly improves heart health, according to new ...
Brain Implant May Enable Communication from Thoughts Alone
Nov. 6, 2023 — A speech prosthetic developed by a collaborative team of neuroscientists, neurosurgeons and engineers can translate a person's brain signals into what they're trying to say. The new technology might one day help people unable to talk due to ...
Rats Have an Imagination, New Research Suggests
Nov. 2, 2023 — Researchers have developed a novel system to probe a rat's thoughts, finding that animals can control their brain activity to imagine remote locations. ...
Latest Health Headlines
updated 7:31pm EST
Why Do Some People Get Headaches from Drinking Red Wine?
Nov. 20, 2023 — Researchers think that a flavanol found naturally in red wines can interfere with the proper metabolism of alcohol and can lead to a ...
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Feeding Dogs Raw Meat Increases the Risk of Antibiotic-Resistant E. Coli
Nov. 20, 2023 — Feeding dogs raw (uncooked) meat increases their risk of excreting E. coli that cannot be killed by a widely used antibiotic -- ciprofloxacin -- researchers have found from a study of 600 healthy pet ...
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Study Reveals Surprising Link Between Malnutrition and Rising Antibiotic Resistance
Nov. 17, 2023 — Researchers have uncovered startling connections between micronutrient deficiencies and the composition of gut microbiomes in early life that could help explain why resistance to antibiotics has been rising across the globe. The team investigated how deficiencies in crucial micronutrients such as vitamin A, B12, folate, iron, and zinc affected the ...
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Potential Glaucoma Treatment Strategy to Guide Stem Cells to the Retina
Nov. 17, 2023 — Scientists have developed a novel approach that allows stem cells to be turned into retinal ganglion cells that are capable of migrating and surviving in the eye's retina. This approach presents a promising new treatment strategy for diseases like glaucoma, in which the loss of retinal ganglion cells caused by the disease leads to irreversible vision ...
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Nanoplastics Promote Conditions for Parkinson's Across Various Lab Models
Nov. 17, 2023 — Nanoplastics interact with a particular protein that is naturally found in the brain, creating changes linked to Parkinson's disease and some types of ...
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Alzheimer's and Parkinson's: Scientists Produce Human Norepinephrine Neurons from Stem Cells
Nov. 17, 2023 — Researchers have identified a protein key to the development of a type of brain cell believed to play a role in disorders like Alzheimer's and Parkinson's diseases and used the discovery to grow the neurons from stem cells for the first time. The stem-cell-derived norepinephrine neurons of the type found in a part of the human brain called the ...
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Cheap Medicines Prevented Migraine as Well as Expensive Ones
Nov. 17, 2023 — A new study sheds light on what works best to prevent migraine attacks, and surprisingly, cheaper medicines worked as well as the expensive ...
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Benefits of Adolescent Fitness to Future Cardiovascular Health Possibly Overestimated
Nov. 17, 2023 — There is a well-known relationship between good physical fitness at a young age and a lower risk of cardiovascular disease later in life. However, when researchers adjusted for familial factors by means of sibling analysis, they found a weaker association, although the link between high body mass index (BMI) and cardiovascular disease remained ...
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Putting an End to Plastic Separation Anxiety
Nov. 17, 2023 — Bio-based plastics often end up in recycling streams because they look and feel like conventional plastic, but the contamination of these compostable products makes it much harder to generate functional material out of recycled plastic. Scientists have now developed a biology-driven process to convert these mixtures into a new biodegradable material that can be used to make fresh products. The ...
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Following a Mediterranean Diet Reduces the Risk of Cognitive Decline in Older People
Nov. 17, 2023 — Old people who follow a Mediterranean diet are at a lower risk of cognitive decline, according to a new study. The study provides new evidence for a better understanding of the biological mechanisms related to the impact of the diet on cognitive health in the aging ...
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Researchers Identify Brain Center Responsible for Responses to Rapid Temperature Change
Nov. 16, 2023 — The boiling frog parable seems to have inspired new research, which identified a brain pathway responsible for rapid-threat ...
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Wearables Capture Body Sounds to Continuously Monitor Health
Nov. 16, 2023 — From heart beats to stomach gurgles, sounds hold important health information. New wireless devices sit on skin to continuously capture these sounds, then stream data to smartphones or tablets in real time. In pilot studies, devices accurately tracked sounds associated with cardiorespiratory function, gastrointestinal activity, swallowing and respiration. The devices are particularly valuable ...
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Physical/Tech News
November 20, 2023
'Cooling Glass' Blasts Building Heat Into Space
Nov. 13, 2023 — Researchers aiming to combat rising global temperatures have developed a new 'cooling glass' that can turn down the heat indoors without electricity by drawing on the cold depths of space. The new technology, a microporous glass coating, can lower ...
Second-Most Distant Galaxy Discovered Using James Webb Space Telescope
Nov. 13, 2023 — The second- and fourth-most distant galaxies ever observed have been discovered in a region of space known as Pandora's Cluster, or Abell 2744, using data from NASA's James Webb Space ...
Photonics Team Develops High-Performance Ultrafast Lasers That Fit on a Fingertip
Nov. 9, 2023 — Scientists demonstrate a novel approach for creating high-performance ultrafast lasers on nanophotonic chips. The new advance will enable pocket-sized devices that can perform detailed GPS-free ...
Milky Way-Like Galaxy Found in the Early Universe
Nov. 9, 2023 — Astronomers have discovered the most distant barred spiral galaxy, similar to the Milky Way, that has been observed to ...
Latest Physical/Tech Headlines
updated 7:31pm EST
Shedding Light on Unique Conduction Mechanisms in a New Type of Perovskite Oxide
Nov. 17, 2023 — The remarkable proton and oxide-ion (dual-ion) conductivities of hexagonal perovskite-related oxide Ba7Nb3.8Mo1.2O20.1 are promising for next-generation electrochemical devices. The unique ion-transport mechanisms they unveiled will hopefully pave the way for better dual-ion conductors, which could play an essential role in tomorrow's clean energy ...
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Ingestible Electronic Device Detects Breathing Depression in Patients
Nov. 17, 2023 — A new ingestible capsule can monitor vital signs from within the patient's GI tract. The sensor could be used for less intrusive monitoring of sleep disorders such as sleep apnea, or for detecting opioid ...
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A Deep-Sea Fish Inspired Researchers to Develop Supramolecular Light-Driven Machinery
Nov. 17, 2023 — Chemists have developed a bioinspired supramolecular approach to convert photo-switchable molecules from their stable state into metastable one with low-energy red light. Their work enables fast, highly selective, and efficient switching, providing new tools for energy storage, activation of drugs with light, and sensing ...
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New Ultra Stainless Steel for Hydrogen Production
Nov. 17, 2023 — A research project has made a brand-new breakthrough over conventional stainless steel and the development of stainless steel for hydrogen ...
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Investigating the Contribution of Gamma-Ray Blazar Flares to Neutrino Flux
Nov. 20, 2023 — Gamma-ray flares from blazars can be accompanied by high-energy neutrino emission. To better understand this phenomenon, an international research team has statistically analyzed 145 bright blazars. They constructed weekly binned light curves and utilized a Bayesian algorithm, finding that their sample was dominated by blazars with low flare duty cycles and energy fractions. The study suggests ...
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A Novel System for Slip Prevention of Unmanned Rovers
Nov. 15, 2023 — Planetary rovers, which help humanity explore other planets, can deviate from their targeted paths or get stuck due to slipping on loose soil. To combat this problem, researchers have developed a novel system for rovers to detect their slip condition from the change in the shape of their chassis. This novel technology, inspired by human muscles, can lead to advanced sensing technologies that make ...
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Exploring the Origin of Nucleosynthetic Isotope Variations in Ryugu Samples
Nov. 9, 2023 — The observed variations in chromium (Cr) isotope ratios in the Ryugu asteroid samples collected by Hayabusa2 likely resulted from elemental redistribution of slightly soluble Cr by water within the parent body, reveals a multinational study. The results provide useful insights for expanding our understanding of the origin and evolution of materials in our solar ...
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An Old Star With Ring-Like Structure: ALMA Demonstrates Highest Resolution Yet
Nov. 15, 2023 — ALMA (Atacama Large Millimeter/submillimeter Array) has demonstrated the highest resolution yet with observations of an old star. The observations show that the star is surrounded by a ring-like structure of gas and that gas from the star is escaping to the surrounding space. Future observations with the newly demonstrated high resolution are ...
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Future of Brain-Inspired AI as Python Code Library Passes Major Milestone
Nov. 17, 2023 — An open source code library for brain-inspired deep learning, called 'snnTorch,' has surpassed 100,000 downloads and is used in a wide variety of projects. A new paper details the code and offers a perspective on the future of the ...
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Dams Now Run Smarter With AI
Nov. 17, 2023 — Scientists have leveraged artificial intelligence models to enhance dam ...
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Use It or Lose It: New Robotic System Assesses Mobility After Stroke
Nov. 16, 2023 — Stroke is a leading cause of long-term disability worldwide. Each year more than 15 million people worldwide have strokes, and three-quarters of stroke survivors will experience impairment, weakness and paralysis in their arms and hands. Many stroke survivors rely on their stronger arm to complete daily tasks, from carrying groceries to combing their hair, even when the weaker arm has the ...
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The Mind's Eye of a Neural Network System
Nov. 16, 2023 — A new tool, based on topology, makes finding the areas where neural networks are confused as simple as spotting mountaintops from an airplane. The ability to spot and address those areas of confusion should enable more confident application of neural networks in high-stakes decision scenarios or image prediction tasks like healthcare and ...
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Environment News
November 20, 2023
Found at Last: Bizarre, Egg-Laying Mammal Finally Rediscovered After 60 Years
Nov. 9, 2023 — A long-beaked echidna named after Sir David Attenborough and last seen by scientists in 1961 has been photographed for the first time in an Indonesian tropical forest. An international team of ...
How Animals Get Their Stripes and Spots
Nov. 8, 2023 — New research helps explain how sharp patterns form on zebras, leopards, tropical fish and other creatures. Their findings could inform the development of new high-tech materials and ...
Greenland's Glacier Retreat Rate Has Doubled Over Past Two Decades
Nov. 9, 2023 — A new study documents how Greenland's peripheral glaciers have changed from 1890 to 2022. Using satellite images and a unique archive of historical aerial photos, researchers documented changes in the lengths of more than 1,000 of the country's ...
Yeast With an Over Half Synthetic Genome Is Created in the Lab
Nov. 8, 2023 — Researchers have combined over seven synthetic chromosomes that were made in the lab into a single yeast cell, resulting in a strain with more than 50% synthetic DNA that survives and replicates similarly to wild yeast strains. A global consortium ...
Latest Environment Headlines
updated 7:31pm EST
Researchers Develop Comprehensive Genetic Map for Bison, Discover Gene Responsible for Albinism
Nov. 20, 2023 — Researchers have determined the gene mutation responsible for an observable trait in bison -- ...
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Half of Tested Caviar Products from Europe Are Illegal, and Some Aren't Even Caviar
Nov. 20, 2023 — Wild caviar, a pricey delicacy made from sturgeon eggs, has been illegal for decades since poaching brought the fish to the brink of extinction. Today, legal, internationally tradeable caviar can only come from farmed sturgeon, and there are strict regulations in place to help protect the species. However, by conducting genetic and isotope ...
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New Method to Help With Analysis of Single Cell Data
Nov. 17, 2023 — CITE-seq (cellular indexing of transcriptomes and epitopes) is an RNA sequencing-based method that simultaneously quantifies cell surface protein and transcriptomic data within a single cell readout. The ability to study cells concurrently offers unprecedented insights into new cell types, disease states or other conditions.   While CITE-seq solves the problem of detecting a limited number of ...
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New Research Suggests Plants Might Be Able to Absorb More CO2 from Human Activities Than Previously Expected
Nov. 17, 2023 — New research  paints an uncharacteristically upbeat picture for the planet. This is because more realistic ecological modelling suggests the world's plants may be able to take up more atmospheric CO2 from human activities than previously ...
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Deep Dive on Sea Level Rise: New Modelling Gives Better Predictions on Antarctic Ice Sheet Melt
Nov. 17, 2023 — Using historical records from around Australia, an international team of researchers have put forward the most accurate prediction to date of past Antarctic ice sheet melt, providing a more realistic forecast of future sea level rise.   The Antarctic ice sheet is the largest block of ice on earth, containing over 30 million cubic kilometers of ...
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Idai Vs. Impalas: New Study Shows in Real-Time What Helps Mammals Survive a Natural Disaster
Nov. 17, 2023 — After a massive cyclone transformed the ecosystem of Gorongosa National Park, researchers studied the immediate and knock-on impacts to garner lessons for wildlife managers around the ...
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Scientists Have Solved the Damselfly Color Mystery
Nov. 17, 2023 — For over 20 years, a research team has studied the common bluetail damselfly. Females occur in three different color forms -- one with a male-like appearance, something that protects them from mating harassment. In a new study, an international research team found that this genetic color variation that is shared between several species arose through changes in a specific genomic region at least ...
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Heat Tolerant Coral May Trade Fast Growth for Resilience
Nov. 17, 2023 — Algae living within the soft tissue of coral supply much of the energy needed by their hosts, and some symbiotic algae help coral withstand warmer water better than others. Researchers have now found that there was a tradeoff for corals dominated by the thermally sensitive algae -- they have higher growth, but only in cooler ...
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Radiocarbon Dating Meets Egyptology and Biblical Accounts in the City of Gezer
Nov. 16, 2023 — New dates provide detailed insights into the timing of events in the ancient city of Gezer, according to a new ...
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Multiple Evolutionary Trajectories in Aquatic Crocodiles
Nov. 15, 2023 — In the geological past, several groups of crocodiles evolved towards a morphology adapted to marine life. However, the extent of these adaptations and their evolutionary trajectories remained unknown. An exhaustive study of their morphology has now shed light on the evolutionary mechanisms at work, thanks to three-dimensional ...
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Study Sheds Light on How Earth Cycles Fossil-Carbon
Nov. 14, 2023 — Researches used rhenium as a proxy for fossil carbon in order to quantify the rate at which Earth naturally releases carbon dioxide into the atmosphere and found that high rates of carbon breakdown persist across the different geographical profiles of a river ...
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Europe Was Not Covered by Dense Forest Before the Arrival of Modern Humans
Nov. 14, 2023 — For decades, we believed that outside ice ages Europe was mostly covered by dense forest before the arrival of modern humans. Now, a new study shows that there was far more open and semi-open vegetation than conventionally ...
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Society/Education News
November 20, 2023
Humans Are Disrupting Natural 'Salt Cycle' on a Global Scale, New Study Shows
Oct. 31, 2023 — A new paper revealed that human activities are making Earth's air, soil and freshwater saltier, which could pose an 'existential threat' if current trends continue. Geologic and hydrologic processes ...
Window to Avoid 1.5°C of Warming Will Close Before 2030 If Emissions Are Not Reduced
Oct. 30, 2023 — Without rapid carbon dioxide emission reductions, the world has a 50% chance of locking in 1.5°C of warming before ...
Increased West Antarctic Ice Sheet Melting 'Unavoidable'
Oct. 23, 2023 — The West Antarctic Ice Sheet will continue to increase its rate of melting over the rest of the century, no matter how much we reduce fossil fuel use, according to new research. A substantial acceleration in ice melting likely cannot now be avoided, ...
Climate-Driven Extreme Heat May Make Parts of Earth Too Hot for Humans
Oct. 9, 2023 — If global temperatures increase by 1 degree Celsius (C) or more than current levels, each year billions of people will be exposed to heat and humidity so extreme they will be unable to naturally cool themselves, according to interdisciplinary ...
Latest Society/Education Headlines
updated 7:31pm EST
Environment and Wallet Benefit from Redispensing Cancer Pills
Nov. 17, 2023 — Redispensing cancer drugs reduces both environmental impact and medical costs, according to new research. The annual savings could amount to tens of ...
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New Study Reveals Huge Potential for Future Waves of Invasive Species
Nov. 16, 2023 — Human trade and transport have led to the intentional and accidental introductions of non-native species outside of their natural range globally. These biological invasions can cause extinctions, cost trillions, and spread diseases. A study has investigated how many of these non-native species already exist worldwide and which species groups are particularly prone to become ...
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Reforms Needed to Expand Prescribed Burns
Nov. 16, 2023 — A new paper pinpoints obstacles and suggests strategies for getting more prescribed fire on the ground in the wildfire-prone U.S. ...
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No One-Size-Fits-All Solution for the Net-Zero Grid
Nov. 16, 2023 — As power generation from sources like solar and wind increases, along with the introduction of devices such as heat pumps and batteries, a new optimization tool will help the UK plan for a greener electricity network.   The researchers developed an algorithm to model how these smaller networks distributed electricity -- factoring in how local grids could become unbalanced by adding too many heat ...
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Peer Educators Play Key Role in New Recipe Development and Testing
Nov. 14, 2023 — Cooking and recipe demonstrations encourage healthy eating and adoption of unfamiliar foods by class ...
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Exhaustion Caused by Video Conferencing Demonstrated on a Neurophysiological Level
Nov. 13, 2023 — Using EEG and ECG data, researchers were able to demonstrate that video conferences and online education formats lead to greater fatigue than face-to-face ...
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Physical Fitness Since Childhood Predicts Cerebellar Volume in Adolescence
Nov. 10, 2023 — Physical fitness since childhood is associated with cerebellar grey matter volume in adolescents. Those who were stronger, faster and more agile, in other words, had better neuromuscular fitness since childhood, had larger Crus I grey matter volume in ...
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When Dads Are Feeling a Bit Depressed or Anxious, How Do Kids Fare?
Nov. 7, 2023 — A team of researchers has found that slightly higher, but mild anxious or depressive symptoms in fathers were associated with fewer behavioral difficulties in the first years of elementary school and better scores on a standardized IQ test in their ...
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Contrary to Common Belief, Artificial Intelligence Will Not Put You out of Work
Nov. 2, 2023 — New research is providing insights for business leaders on how work experience affects employees interacting with ...
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Power of the Pictogram: Researcher Finds That Sorted Graphics Make Consumers Feel Optimistic
Oct. 31, 2023 — Sometimes, how the information is presented is as important as the information itself. Graphics, icons, and pictograms are increasingly popular methods of presenting information to consumers in direct, memorable, and easily understandable ...
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Having a Bad Boss Makes You a Worse Employee
Oct. 31, 2023 — Researchers found that employees who prioritize career advancement are strongly affected by abusive leadership while employees who prioritized job security remained just as likely to take charge after experiencing abusive supervision. Employees who prioritize advancement tend to hunker down and reduce taking-charge behavior after experiencing abusive ...
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Virtual Meetings Tire People Because We're Doing Them Wrong
Oct. 30, 2023 — New research suggests sleepiness during virtual meetings is caused by mental underload and boredom. Earlier studies suggested that fatigue from virtual meetings stems from mental overload, but new research shows that sleepiness during virtual meetings might actually be a result of mental underload and ...
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