advertisement
Top Science News
July 4, 2022
June 30, 2022 — An ancient fossil reveals the earliest panda to survive solely on bamboo and the evolutionary history of panda's false ...
June 29, 2022 — An international group of geneticists and archaeologists have found that the ancestry of dogs can be traced to at least two populations of ancient ...
June 27, 2022 — Scientists reveal an advanced, innovative method that they have developed and used to detect nonvisual traces of fire dating back at least 800,000 years -- one of the earliest known pieces of ...
June 24, 2022 — The neural and cognitive complexity of the octopus could originate from a molecular analogy with the human brain, according to a new study. The research shows that the same 'jumping genes' are active ...
Latest Top Headlines
updated 10:46pm EDT

Scientists Engineer Synthetic DNA to Study 'Architect' Genes

June 30, 2022 — Researchers have created artificial Hox genes -- which plan and direct where cells go to develop tissues or organs -- using new synthetic DNA technology and genomic engineering in stem cells. Their findings confirm how clusters of Hox genes help cells to learn and remember where they are in the ...
RELATED TOPICS

Dissolving Implantable Device Relieves Pain Without Drugs

June 30, 2022 — Researchers have developed a small, soft, flexible implant that relieves pain on demand and without the use of drugs. The first-of-its-kind device could provide a much-needed alternative to opioids and other highly addictive medications. It works by softly wrapping around nerves to deliver precise, targeted cooling, which numbs nerves and blocks pain signals to the brain. After the device is no ...
RELATED TOPICS

Biochemistry Researchers Repair and Regenerate Heart Muscle Cells

June 16, 2022 — Researchers are reporting new technology that not only repairs heart muscle cells in mice but also regenerates them following a heart attack, or myocardial infarction as its medically ...
RELATED TOPICS
Exercise pills concept | (c) alexlmx / stock.adobe.com

The Benefits of Exercise in a Pill? Science Is Closer to That Goal

June 15, 2022 — Researchers have identified a molecule in the blood that is produced during exercise and can effectively reduce food intake and obesity ...
RELATED TOPICS

Capturing the Onset of Galaxy Rotation in the Early Universe

July 1, 2022 — After the Big Bang came the earliest galaxies. Due to the expansion of the universe, these galaxies are receding away from us. This causes their emissions to be redshifted (shifted towards longer wavelengths). By studying these redshifts, it is possible to characterize the 'motion' within the galaxies as well as their distance. In a new study, astronomers have now revealed a likely rotational ...
RELATED TOPICS

Bacteria for Blastoff: Using Microbes to Make Supercharged New Rocket Fuel

June 30, 2022 — Biofuel scientists used an oddball molecule made by bacteria to develop a new class of sustainable biofuels powerful enough to launch rockets. The candidate molecules have greater projected energy density than any petroleum product, including the leading aviation and rocket fuels, JetA and ...
RELATED TOPICS

Gemini North Spies Ultra-Faint Fossil Galaxy Discovered on Outskirts of Andromeda

June 30, 2022 — An unusual ultra-faint dwarf galaxy has been discovered on the outer fringes of the Andromeda Galaxy thanks to the sharp eyes of an amateur astronomer. Follow-up by professional astronomers revealed that the dwarf galaxy -- Pegasus V -- contains very few heavier elements and is likely to be a fossil of the first ...
RELATED TOPICS

Physicists Confront the Neutron Lifetime Puzzle

June 28, 2022 — To solve a long-standing puzzle about how long a neutron can 'live' outside an atomic nucleus, physicists entertained a wild but testable theory positing the existence of a right-handed version of our left-handed universe. They designed a mind-bending experiment to try to detect a particle that has been speculated but not spotted. If found, the theorized 'mirror neutron' -- a dark-matter twin to ...
RELATED TOPICS

Dinosaurs Took Over Amid Ice, Not Warmth, Says a New Study of Ancient Mass Extinction

July 1, 2022 — There is new evidence that ancient high latitudes, to which early dinosaurs were largely relegated, regularly froze over, and that the creatures adapted -- an apparent key to their later ...
RELATED TOPICS

Shrimps and Worms Among First Animals to Recover After Largest Mass Extinction

June 29, 2022 — Researchers studying ancient sea bed burrows and trails have discovered that bottom burrowing animals were among the first to bounce back after the end-Permian mass ...
RELATED TOPICS

Crushed, Zapped, Boiled, Baked and More: Nature Used 57 Recipes to Create Earth's 10,500-Plus 'Mineral Kinds'

July 1, 2022 — A 15-year study details the origins and diversity of every known mineral on Earth, a landmark body of work that will help reconstruct the history of life on Earth, guide the search for new minerals and ore deposits, predict possible characteristics of future life, and aid the search for habitable planets and extraterrestrial ...
RELATED TOPICS

The Hawk Has Landed: Braking Mid-Air to Prioritize Safety Over Energy or Speed

June 30, 2022 — New research using computer simulations and Hollywood-style motion capture shows how birds optimize their landing maneuvers for an accurate ...
RELATED TOPICS
more top science stories  
Health News
July 4, 2022
June 13, 2022 — Stress -- in the form of traumatic events, job strain, everyday stressors and discrimination -- accelerates aging of the immune system, potentially increasing a person's risk of cancer, ...
June 9, 2022 — Researchers examining the brain at a single-neuron level found that computation happens not just in the interaction between neurons, but within each individual neuron. Each of these cells, it turns ...
June 8, 2022 — A research team has shown that a synthetic IL-9 receptor allows cancer-fighting T cells to do their work without the need for chemotherapy or ...
June 8, 2022 — Higher levels of optimism were associated with longer lifespan and living beyond age 90 in women across racial and ethnic ...
Latest Health Headlines
updated 10:46pm EDT

Researchers Use AI to Detect New Family of Genes in Gut Bacteria

July 4, 2022 — Using artificial intelligence, researchers have discovered a new family of sensing genes in enteric bacteria that are linked by structure and probably function, but not genetic sequence. The findings offer a new way of identifying the role of genes in unrelated species and could lead to new ways to fight intestinal bacterial ...
RELATED TOPICS

New Antibody Detection Method for Coronavirus That Does Not Require a Blood Sample

July 1, 2022 — Researchers have developed a rapid and effective antibody detection method for SARS-CoV-2 that is minimally invasive and applicable in resource-limited settings. Their methodology, which uses a patch sensor containing porous microneedles and a paper-based immunoassay, could have far-reaching implications for the blood-free detection of COVID-19 ...
RELATED TOPICS

Researchers Develop Rapid COVID-19 Test to Identify Variants in Hours

July 4, 2022 — In just a few hours, scientists can tell which variant has infected a COVID-19 patient -- a critical task that can potentially influence treatment decisions but takes days or weeks at most medical ...
RELATED TOPICS

When ASD Occurs With Intellectual Disability, a Convergent Mechanism for Two Top-Ranking Risk Genes May Be the Cause

July 1, 2022 — Scientists have discovered a convergent mechanism that may be responsible for how two top-ranked genetic risk factors for autism spectrum disorder/intellectual disability (ASD/ID) lead to these neurodevelopmental ...
RELATED TOPICS

Winning by Default: Tonsillectomy Study Shows Power of Pre-Set Opioid Rx Size

June 30, 2022 — A small tweak to hospitals' prescribing systems might make a big difference in reducing risk from leftover opioid pain medication, while still making sure surgery patients get relief from their post-operation pain, a new study ...
RELATED TOPICS

Exercise-Induced Central Fatigue -- Low Oxygen Supply Clouds Judgment

June 29, 2022 — Research on the effects of exercise in low-oxygen environments on the brain demonstrated that cognitive performance worsens when lower-than-usual amounts of oxygen are carried by the blood. Consequently, tissue in brain regions with less critical functions may receive inadequate oxygen supply to maintain normal activity ...
RELATED TOPICS

When More Is More: Identifying Cognitive Impairments With Multiple Drawing Tasks

June 29, 2022 — Researchers have found that extracting drawing features from a combination of five drawing tasks -- rather than from any single task alone -- leads to more accurate classification of people with normal cognition, mild cognitive impairment, and Alzheimer's disease by capturing different, complementary aspects of cognitive impairments. Their ...
RELATED TOPICS

Protecting the Brain from Dementia-Inducing Abnormal Protein Aggregates

July 1, 2022 — Neurodegenerative diseases like Alzheimer's and Parkinson's are defined by pathogenic accumulation of toxic proteins in the brain. Now, however, scientists have established that the p62 protein, which is involved in cellular protein degradation, can prevent the accumulation of toxic oligomeric tau species in mouse brains, proving the 'neuroprotective' function of p62 in a living ...
RELATED TOPICS

Study Finds Women Have More Brain Changes After Menopause

June 29, 2022 — Women who have gone through menopause may have more of a brain biomarker called white matter hyperintensities than premenopausal women or men of the same age, according to a new ...
RELATED TOPICS

Sleep Is Linked to Heart Health

June 29, 2022 — American Heart Association's checklist to measure cardiovascular health is updated, now called Life's Essential 8™, adding healthy sleep as essential for optimal cardiovascular health. Other health and lifestyle factors in the checklist, which were part of the previous, 7-item scoring tool, are nicotine exposure, physical activity, diet, weight, blood glucose, cholesterol and blood pressure. ...
RELATED TOPICS

Only 1 in 5 People in the U.S. Has Optimal Heart Health

June 29, 2022 — Researchers found the U.S. population is well below optimal levels of cardiovascular health after applying the Life's Essential 8™ cardiovascular health scoring, the American Heart Association's updated metrics to measure heart and brain health. Life's Essential 8™ scoring was calculated using data from more than 23,400 adults and children from national health surveys from 2013-2018. Results ...
RELATED TOPICS

Risk of Miscarriage May Increase During the Summer

June 27, 2022 — A new study found that miscarriage risk in North America increased by 44 percent in late August, compared to late February, indicating the need to explore possible links between extreme heat and pregnancy ...
RELATED TOPICS
more top health stories  
Physical/Tech News
July 4, 2022
June 23, 2022 — Scientists have found a way to bypass the need for biological photosynthesis altogether and create food independent of sunlight by using artificial photosynthesis. The technology uses a two-step ...
June 21, 2022 — Inspired by fireflies, researchers created soft actuators that can emit light in different colors or patterns. These artificial muscles, which control the wings of featherweight flying robots, light ...
June 21, 2022 — Scientists combined data from NASA's New Horizons mission with novel laboratory experiments and exospheric modeling to reveal the likely composition of the red cap on Pluto's moon Charon and how it ...
June 21, 2022 — A new study describes how unique populations of craters on two of Saturn's moons could help indicate the satellites' age and the conditions of their formation. Using data from NASA's Cassini mission, ...
Latest Physical/Tech Headlines
updated 10:46pm EDT

Tonga Volcano Eruption Among the Most Powerful Ever Observed, Triggering Atmospheric Gravity Waves That Reached the Edge of Space

June 30, 2022 — The eruption of the Hunga Tonga-Hunga Ha'apai submarine volcano in January 2022 was one of the most explosive volcanic events of the modern era, a new study has ...
RELATED TOPICS

Study Paves the Way Towards a More Precise Use of CRISPR

June 29, 2022 — The results of a Danish research study may be the key to a more effective use of the revolutionary gene technology ...
RELATED TOPICS

Signaling Molecule Potently Stimulates Hair Growth

June 30, 2022 — Researchers have discovered that a signaling molecule called SCUBE3 potently stimulates hair growth and may offer a therapeutic treatment for androgenetic alopecia, a common form of hair loss in both women and ...
RELATED TOPICS

Building Explainability Into the Components of Machine-Learning Models

June 30, 2022 — Researchers have created a taxonomy and outlined steps that developers can take to design features in machine-learning models that are easier for decision-makers to ...
RELATED TOPICS

Floating in Space Might Be Fun, but Study Shows It's Hard on Earthly Bodies

June 30, 2022 — Bone loss happens in humans -- as we age, get injured, or any scenario where we can't move the body, we lose bone. Understanding what happens to astronauts and how they recover is incredibly rare. It lets us look at the processes happening in the body in such a short time frame. We would have to follow someone for decades on Earth to see the same amount of bone ...
RELATED TOPICS

Cosmological Thinking Meets Neuroscience in New Theory About Brain Connections

June 30, 2022 — A collaboration between a former cosmologist and a computational neuroscientist generates a new way to identify essential connections between brain ...
RELATED TOPICS

Asteroids: Researchers Simulate Defense of Earth

June 29, 2022 — NASA's Double Asteroid Redirection Test (DART) mission is the world's first full-scale planetary defense test against potential asteroid impacts on Earth. Researchers now show that instead of leaving behind a relatively small crater, the impact of the DART spacecraft on its target could leave the asteroid near ...
RELATED TOPICS

Falling Stardust, Wobbly Jets Explain Blinking Gamma Ray Bursts

June 29, 2022 — Astrophysicists have developed the first 3D simulation of the entire evolution of a jet -- from its birth by a rotating black hole to its emission far from the collapsing star. Simulation shows that as the star collapses, its material falls on the disk that swirls around the black hole. This falling material tilts the disk, and, in turn, tilts the jet, which wobbles as it struggles to return to ...
RELATED TOPICS

Breaking AIs to Make Them Better

June 30, 2022 — Current AIs are very accurate but inflexible at image recognition. Exactly why this is remains a mystery. Researchers have developed a method called 'Raw Zero-Shot' to assess how neural networks handle elements unknown to them. The results have the potential to help researchers identify the common features that make neural networks 'non-robust,' and develop methods to make AIs more ...
RELATED TOPICS

Common Gene Used to Profile Microbial Communities

June 30, 2022 — Computer scientists develop Emu, an algorithm that uses long reads of genomes to identify the species of bacteria in a community. The program could simplify sorting harmful from helpful bacteria in microbiomes like those in the gut or in agriculture and the ...
RELATED TOPICS

Making Dark Semiconductors Shine

June 27, 2022 — The energy-levels of semiconductors can be rearranged by coupling between light particles (photons) and excited electrons so that a formerly dark material becomes optically active. In their experiments, the researchers succeeded in manipulating the energy-level structure in an ultra-thin sample of the semiconductor tungsten diselenide. This material, which normally has a low luminescence yield, ...
RELATED TOPICS

Algorithm Predicts Crime a Week in Advance, but Reveals Bias in Police Response

June 30, 2022 — A new computer model uses publicly available data to predict crime accurately in eight U.S. cities, while revealing increased police response in wealthy neighborhoods at the expense of less advantaged ...
RELATED TOPICS
more top physical/tech stories  
Environment News
July 4, 2022
June 27, 2022 — For decades, scientists have studied these fossils of early human ancestors and their long-lost relatives. Now, a dating method developed by ...
June 23, 2022 — The 'missing link' between bacterial cells and human and plant cells offers key to the process of eukaryogenesis, the point at which animal and plant ...
June 23, 2022 — An international team of 114 scientists reports the most comprehensive study of aging and longevity to date of reptiles and amphibians worldwide. ...
June 23, 2022 — Researchers describe the morphological and genomic features of a 'macro' microbe' -- a giant filamentous bacterium composed of a single cell discovered in the mangroves of Guadeloupe. Using various ...
Latest Environment Headlines
updated 10:46pm EDT

Male Dogs Four Times More Likely to Develop Contagious Cancer on Nose or Mouth Than Females

July 4, 2022 — Sniffing or licking other dogs' genitalia -- the common site of Canine Transmissible Venereal Tumour -- can spread this unusual cancer to the nose and ...
RELATED TOPICS

What Are Whale Sharks Up To?

July 4, 2022 — Satellite-tracking of the largest fish in the ocean offered insight into their migratory and feeding behavior, but their breeding grounds are still a ...
RELATED TOPICS

Hidden in Genetics: The Evolutionary Relationships of Two Groups of Ancient Invertebrates Revealed

July 1, 2022 — Using high quality molecular data, researchers have re-investigated a long-standing question about the position of two phyla of small aquatic invertebrates -- Kamptozoa and Bryozoa -- on the evolutionary ...
RELATED TOPICS

How Placentas Evolved in Mammals

July 1, 2022 — The fossil record tells us about ancient life through the preserved remains of body parts like bones, teeth and turtle shells. But how to study the history of soft tissues and organs, which can decay quickly, leaving little evidence behind? In a new study, scientists use gene expression patterns, called transcriptomics, to investigate the ancient origins of one organ: the placenta, which is vital ...
RELATED TOPICS

Knowing Earth's Energy Imbalance Is Critical in Preventing Global Warming, Study Finds

July 4, 2022 — The imbalance of energy on Earth is the most important metric in order to gauge the size and effects of climate change, according to a new ...
RELATED TOPICS

Mining's Effect on Fish Warrants Better Science-Based Policies

July 1, 2022 — A new article synthesizes the impact of metal and coal mines on salmon and trout in northwestern North America, and highlights the need for more complete and transparent science to inform mining ...
RELATED TOPICS

Life in Earth's Interior as Productive as in Some Ocean Waters

June 29, 2022 — Microorganisms in aquifers deep below the earth's surface produce similar amounts of biomass as those in some marine waters. Applying a unique, ultra-sensitive measurement method using radioactive carbon, they were able to demonstrate for the first time that these biotic communities in absolute darkness do not depend on sunlight. Instead, they can obtain energy autonomously from rock oxidation or ...
RELATED TOPICS

Scientists Warn of Links Between Soil Pollution and Heart Disease

July 1, 2022 — Pesticides and heavy metals in soil may have detrimental effects on the cardiovascular system, according to a review ...
RELATED TOPICS

The Art of Getting DNA out of Decades-Old Pickled Snakes

June 30, 2022 — Using pickled snakes collected decades ago and stored in an underground bunker of collections, scientists have found ways to get DNA samples from specimens previously considered near-impossible to get genetic data from. They used that DNA to solve a long-standing mystery about which family an elusive snake from the island of Borneo belongs ...
RELATED TOPICS

New Kangaroo Described -- From Papua New Guinea

June 29, 2022 — Australian palaeontologists have described a new genus of giant fossil kangaroo from the mountains of central Papua New Guinea. The new description of the fossil kangaroo has found that, rather than being closely related to Australian kangaroos, it most likely belongs to a unique genus of more primitive kangaroo found only in ...
RELATED TOPICS

Hidden in Caves: Mineral Overgrowths Reveal 'Unprecedented' Sea Level Rise

June 30, 2022 — Through intricate study of cave deposits in Spain, geologists identified a rapid rise in sea level that started during the Industrial ...
RELATED TOPICS

Underwater Jars Reveal Roman Period Winemaking Practices

June 29, 2022 — Winemaking practices in coastal Italy during the Roman period involved using native grapes for making wine in jars waterproofed with imported tar pitch, according to a new ...
RELATED TOPICS
more top environment stories  
Society/Education News
July 4, 2022
June 2, 2022 — To prevent the worst outcomes from climate change, the U.S. will need to reduce greenhouse gas emissions by 50% in the next eight years. Scientists from around the nation have developed a blueprint ...
June 1, 2022 — The day is coming -- some say has already arrived -- when new inventions that benefit society are dreamt up by artificial intelligence all on its ...
June 1, 2022 — New research shows that narcissism can cause knowledge barriers within organizations. Narcissists hinder cooperation between units due to a sense of ...
June 1, 2022 — New research has found further evidence of a relationship between online engagement and mental wellbeing in teenagers. The study contributes to ...
Latest Society/Education Headlines
updated 10:46pm EDT

Road Injuries Are Killing Young People, and It's Hardly Slowing Down

June 29, 2022 — Traffic and unintentional injuries are the leading cause of adolescent deaths ...
RELATED TOPICS

Up to 540,000 Lives Could Be Saved Worldwide by Targeting Speed and Other Main Areas

June 29, 2022 — A new series highlights the growing problem of road traffic injuries and lays out some opportunities for preventing injuries and saving lives. The series offers a comprehensive analysis of this rising public health ...
RELATED TOPICS

Climate Change Will Increase Chances of Wildfire Globally -- But Humans Can Still Help Reduce the Risk

June 30, 2022 — New research highlights how the risk of wildfire is rising globally due to climate change -- but also, how human actions and policies can play a critical role in regulating regional impacts. The study shows that anthropogenic climate change is a 'push' factor that enhances the risk of wildfires ...
RELATED TOPICS

New Flood Maps Clarify the Risk Homeowners Face

June 30, 2022 — Flooding in urban areas cost Americans more than $106 billion between 1960 and 2016, damaging property, disrupting businesses and claiming lives in the process. Now, new research outlines a simplified, cost-effective method for developing flood maps that reflects the uncertainty in flood ...
RELATED TOPICS

Seat Assignments Drive Friendships Among Elementary School Children

June 28, 2022 — Most teachers focus on academic considerations when assigning seats. A new study is the first to show that these classroom seat assignments also have important implications for children's friendships and the enormous influence that teachers wield over the interpersonal lives of children. Friendships reflect classroom seat assignments. Students sitting next to or nearby one another were more ...
RELATED TOPICS

Us Versus Them: Harming the 'Outgroup' Is Linked to Elevated Activity in the Brain's Reward Circuitry

June 16, 2022 — Humans tend to form groups, which often find themselves in conflict with rival groups. But why do people show such a ready tendency to harm people in opposing groups? A new study led by researchers at Virginia Commonwealth University used functional brain imaging technology to reveal a potential answer: It increases activity in the brain's reward ...
RELATED TOPICS

New Insights on Infant Word Learning

June 7, 2022 — Psychology researchers provide a fresh perspective on how infants connect names with objects, a critical skill for language ...
RELATED TOPICS

Impostor Phenomenon: When Self-Doubt Gets the Upper Hand

June 9, 2022 — People who systematically underestimate themselves and their own performance suffer from so-called Impostor Phenomenon. They think that any success is due to external circumstances or just luck and chance. Those people live in constant fear that their 'deception' will be exposed. Psychologists now show that even under real-life conditions the phenomenon can appear regardless of age, gender, and ...
RELATED TOPICS

People Less Outraged by Gender Discrimination Caused by Algorithms

June 27, 2022 — People are less morally outraged when gender discrimination occurs because of an algorithm rather than direct human involvement, according to new ...
RELATED TOPICS

Offshore Wind Farms Expected to Reduce Clam Fishery Revenue, Study Finds

June 23, 2022 — An important East Coast shellfish industry is projected to suffer revenue losses as offshore wind energy develops along the U.S. Northeast and Mid-Atlantic coasts, according to two recent ...
RELATED TOPICS

Training Virtually Can Reduce Psychosocial Stress and Anxiety

June 17, 2022 — Everyone knows that exercise brings physical and psychological benefits. A new study suggests that virtual reality exercise induces similar effects, meaning those with limited mobility may be able to improve their mental ...
RELATED TOPICS

Climate Economics: Policies Change People

June 9, 2022 — The makers of climate policy should rethink how people think: Researchers show that abiding by climate-friendly policies actually changes the way people think about what they do. People's preferences are more dynamic than textbook economics often assumes. The researchers' advice to policy makers is to take changing preferences into account when tailoring policies like carbon taxes or building ...
RELATED TOPICS
more top society/education stories