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Top Science News

March 29, 2020

Mar. 26, 2020 — Since pre-industrial times, the world's oceans have warmed by an average of one degree Celsius (1°C). Now researchers report that those rising temperatures have led to widespread changes in the ... read more

Mar. 23, 2020 — Geologists have discovered the first ancestor on the family tree that contains most animals today, including humans. The wormlike creature, Ikaria wariootia, is the earliest bilaterian, or organism ... read more

Mar. 23, 2020 — East Antarctica's Denman Glacier has retreated 5 kilometers, nearly 3 miles, in the past 22 years, and researchers are concerned that the shape of ... read more

Mar. 19, 2020 — Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have found striking orbital geometries in protoplanetary disks around binary stars. While disks orbiting the most compact ... read more

Latest Top Headlines

updated 7:20am EDT

Brain and DNA concept illustration (stock image). | Credit: (c) Giovanni Cancemi / stock.adobe.com

Mar. 26, 2020 — For the first time, more 360 scientists from 184 different institutions have contributed to a global effort to find more than 200 regions of the genome and more than 300 specific genetic variations that affect the structure of the cerebral cortex ... read more

Organ transplant word cloud concept illustration (stock image). | Credit: (c) Kheng Guan Toh / stock.adobe.com

Mar. 13, 2020 — Inspired by a tactic cancer cells use to evade the immune system, researchers have engineered tiny particles that can trick the body into accepting transplanted tissue as its own. Rats that were treated with these cell-sized microparticles developed ... read more

Global virus and disease spread concept (stock image). | Credit: (c) denisismagilov / stock.adobe.com

Mar. 25, 2020 — As COVID-19 spreads worldwide, leaders are relying on mathematical models to make public health and economic decisions. A new model improves tracking of epidemics by accounting for mutations in diseases. Now, the researchers are working to apply their model to allow leaders to evaluate the effects ... read more

Social distancing concept with domino pieces (stock image). | Credit: (c) dottedyeti / stock.adobe.com

Mar. 24, 2020 — A new modelling study conducted in a simulated Singapore setting has estimated that a combined approach of physical distancing interventions, comprising quarantine (for infected individuals and their families), school closure, and workplace ... read more

View of Earth from space (stock image). | Credit: (c) studio023 / stock.adobe.com

Mar. 19, 2020 — Injecting the right dose of sulphur dioxide into Earth's upper atmosphere to thicken the layer of light reflecting aerosol particles artificially could reduce the effects of climate change overall, exacerbating change in only a small fraction of places, according to ... read more

Abstract illustration of neuron and binary code (stock image). | Credit: (c) robsonphoto / stock.adobe.com

Mar. 20, 2020 — A new device enables researchers to observe hundreds of neurons in the brain in real-time. The system is based on modified silicon chips from cameras, but rather than taking a picture, it takes a movie of the neural ... read more

Planet Mercury illustration (stock image). | Credit: (c) Matthieu / stock.adobe.com

Mar. 13, 2020 — Despite Mercury's 400-degree Celsius daytime heat, there is ice at its caps. And now a study shows how that Vulcan scorch probably helps the planet closest to the sun make some of ... read more

Model water molecules illustration (stock image). | Credit: (c) fotomek / stock.adobe.com

Mar. 9, 2020 — A team has developed a less expensive water electrolysis system that works under alkaline conditions but still produces hydrogen at comparable rates to the currently used system that works under acidic conditions and requires precious metals. This advance brings down the cost of water splitting ... read more

Squid (stock image). | Credit: (c) Ramsey / stock.adobe.com

Mar. 23, 2020 — Revealing yet another super-power in the skillful squid, scientists have discovered that squid massively edit their own genetic instructions not only within the nucleus of their neurons, but also within the axon -- the long, slender neural projections that transmit electrical impulses to other ... read more

Tree rings (stock image). | Credit: (c) CrispyMedia / stock.adobe.com

Mar. 19, 2020 — A new paper points out the need for an important new refinement to radiocarbon dating. The research has relevance for understanding key dates in Mediterranean history and prehistory, including the tomb of Tutankhamen and a controversial but important volcanic eruption on the Greek island ... read more

Sea otter eating clam (stock image). | Credit: (c) Pat / stock.adobe.com

Mar. 19, 2020 — A parasite known only to be hosted in North America by the Virginia opossum is infecting sea otters along the West Coast. A new study elucidates the sometimes surprising and complex pathways infectious pathogens can move from land to sea to ... read more

Lamprey (stock image). | Credit: (c) Andrei Nekrassov / stock.adobe.com

Mar. 16, 2020 — Research on the lamprey brain has enabled scientists to push the birth of the cortex back in time by some 300 million years to over 500 million years ago, providing new insights into ... read more

Health News

March 29, 2020

Mar. 11, 2020 — From a simple blood draw, microbial DNA may reveal who has cancer and which type, even at early ... read more

Mar. 17, 2020 — An analysis of public genome sequence data from SARS-CoV-2 and related viruses found no evidence that the virus was made in a laboratory or otherwise ... read more

Mar. 17, 2020 — New research finds that the virus that causes coronavirus disease 2019 (COVID-19) is stable for several hours to days in aerosols and on surfaces. Scientists found that severe acute respiratory ... read more

Mar. 16, 2020 — Infectious disease researchers studying the novel coronavirus were able to identify how quickly the virus can spread, a factor that may help public ... read more

Latest Health Headlines

updated 7:20am EDT

Researchers Find Key to Keep Working Memory Working

Mar. 19, 2020 — Working memory, the ability to hold a thought in mind even through distraction, is the foundation of abstract reasoning and a defining characteristic of the human brain. It is also impaired in disorders such as schizophrenia and Alzheimer's disease. Now researchers have found a key molecule that helps neurons maintain information in working memory, which could lead to potential treatments for ... read more

Assessing the Global Problem of Poor Sanitation

Mar. 25, 2020 — Experts are investigating a better way of measuring the number of people exposed to the health risks of poorly-managed sanitation systems - and it will help reveal whether the world is on track to deliver UN Sustainable Goal 6 ... read more

How to Break New Records in the 200 Meters

Mar. 25, 2020 — Usain Bolt's 200m record has not been beaten for ten years and Florence Griffith Joyner's for more than thirty years. And what about if the secret behind beating records was to use mathematics? Thanks to a mathematical model, researchers have proved that the geometry of athletic tracks could be optimized to improve records. They recommend to build shorter straights and larger radii in the ... read more

In Politics and Pandemics, Trolls Use Fear, Anger to Drive Clicks

Mar. 26, 2020 — A new CU Boulder study shows that Facebook ads developed and shared by Russian trolls around the 2016 election were clicked on nine times more than typical social media ads. The authors say the trolls are likely at it again, as the 2020 election approaches and the COVID-19 pandemic wears ... read more

Too Much Salt Weakens the Immune System

Mar. 25, 2020 — A high-salt diet is not only bad for one's blood pressure, but also for the immune system. Mice fed a high-salt diet were found to suffer from much more severe bacterial infections. Human volunteers who consumed additional six grams of salt per day also showed pronounced immune deficiencies. This amount corresponds to the salt content of two fast food ... read more

Physical/Tech News

March 29, 2020

Mar. 11, 2020 — Using data from the Dark Energy Survey, researchers have found and cataloged more than 300 minor planets beyond Neptune, including more than 100 new discoveries. This updated catalog of ... read more

Mar. 11, 2020 — Researchers have observed an extreme planet where they suspect it rains iron. The ultra-hot giant exoplanet has a day side where temperatures climb above 2400 degrees Celsius, high enough to vaporize ... read more

Mar. 9, 2020 — Earth turned faster at the end of the time of the dinosaurs than it does today, rotating 372 times a year, compared to the current 365, according to a new study of fossil mollusk shells from the late ... read more

Mar. 3, 2020 — Ever wish your computer could think like you do or perhaps even understand you? That future may not be now, but it's one step closer, thanks to scientists and engineers and their recent discovery of ... read more

Latest Physical/Tech Headlines

updated 7:20am EDT

Biophysics: Lifting the Lid on Beta-Barrels

Mar. 27, 2020 — The interaction between biotin and streptavidin is a well-established experimental tool in bionanotechnology. Physicists have now shown that the mechanical stability of the complex is dependent on the precise geometry of the ... read more

ALMA Resolves Gas Impacted by Young Jets from Supermassive Black Hole

Mar. 27, 2020 — Astronomers obtained the first resolved image of disturbed gaseous clouds in a galaxy 11 billion light-years away by using the Atacama Large Millimeter/submillimeter Array (ALMA). The team found that the disruption is caused by young powerful jets ejected from a supermassive black hole residing at the center of the host galaxy. This result will cast light on the mystery of the evolutionary ... read more

Holographic Cosmological Model and Thermodynamics on the Horizon of the Universe

Mar. 26, 2020 — A holographic cosmological model with a power-law term has been proposed by a researcher to study thermodynamic properties on the horizon of the Universe. This model was found to satisfy the second law of thermodynamics. In addition, a relaxation-like process of the Universe was examined systematically to study maximization of the entropy on the ... read more

Faster Way to Replace Bad Info in Networks

Mar. 27, 2020 — Researchers have demonstrated a new model of how competing pieces of information spread in online social networks and the Internet of Things (IoT). The findings could be used to disseminate accurate information more quickly, displacing false information about anything from computer security to public ... read more

How Robots Can Help Combat COVID-19

Mar. 25, 2020 — Can robots be effective tools in combating the COVID-19 pandemic? A group of leaders in the field of robotics say yes, and outline a number of examples. They say robots can be used for clinical care such as telemedicine and decontamination; logistics such as delivery and handling of contaminated waste; and reconnaissance such as monitoring compliance with voluntary ... read more

Environment News

March 29, 2020

Mar. 16, 2020 — Mysterious bone circles made from the remains of dozens of mammoths have revealed clues about how ancient communities survived Europe's ice ... read more

Mar. 16, 2020 — A new multinational study incorporating the latest models of global climate, crop production and trade examines the possible effects of a nuclear ... read more

Mar. 12, 2020 — Heat stress from extreme heat and humidity will annually affect areas now home to 1.2 billion people by 2100, assuming current greenhouse gas emissions, according to a new study. That's more than ... read more

Mar. 5, 2020 — Infection biologists have investigated how the novel coronavirus SARS-CoV-2 penetrates cells. They have identified a cellular enzyme that is essential for viral entry into lung cells: the protease ... read more

Latest Environment Headlines

updated 7:20am EDT

Loners Help Society Survive

Mar. 18, 2020 — When most of a community is rushing in one direction, the few who hang back may serve to protect the whole population from something catastrophic attacking the group, says a team of ... read more

Tuberculosis Bacterium Uses Sluice to Import Vitamins

Mar. 25, 2020 — A transport protein that is used by the human pathogen Mycobacterium tuberculosis to import vitamin B12 turns out to be very different from other transport proteins. It contains a huge water-filled cavity, in which hydrophilic substances are transported across the cell membrane. This discovery, which changes our understanding of bacterial physiology, was made by imaging the transport protein ... read more

Local Community Involvement Crucial to Restoring Tropical Peatlands

Mar. 26, 2020 — New research has found that local community involvement is crucial to restoring Indonesia's peatlands -- unspoilt peatlands act as a carbon sink and play an important role in reducing global carbon emissions. They are also a crucial habitat for birds and animals, including endangered species such as orang-utans and ... read more

Neanderthals Ate Mussels, Fish, and Seals Too

Mar. 26, 2020 — Over 80,000 years ago, Neanderthals fed themselves on mussels, fish and other marine life. The first evidence has been found by an international team in the cave of Figueira Brava in Portugal. The excavated layers date from 86,000 to 106,000 years ago, the period when Neanderthals settled in Europe. Sourcing food from the sea at that time had only been attributed to anatomically modern humans in ... read more

Ancient Fish Fossil Reveals Evolutionary Origin of the Human Hand

Mar. 18, 2020 — An ancient Elpistostege fish fossil found in Miguasha, Canada, has revealed new insights into how the human hand evolved from fish fins. Paleontologists have revealed the fish specimen has yielded the missing evolutionary link in the fish to tetrapod transition, as fish began to foray in habitats such as shallow water and land during the Late Devonian period millions of years ... read more

Coral Tells Own Tale About El Niño's Past

Mar. 26, 2020 — Scientists use data from ancient coral to build a record of temperatures in the tropical Pacific Ocean over the last millennium. The data question previous links between volcanic eruptions and El Niño ... read more

Society/Education News

March 29, 2020

Mar. 2, 2020 — Whether it's coronavirus or misinformation, scientists can use mathematical models to predict how something will spread across populations. But what happens if a pathogen mutates, or information ... read more

Feb. 17, 2020 — A new study suggests that iron fertilization may not have a significant impact on phytoplankton growth, at least on a global ... read more

Jan. 22, 2020 — A new study uses machine learning to project migration patterns resulting from sea-level rise. Researchers found the impact of rising oceans will ripple across the country, beyond coastal areas at ... read more

Jan. 21, 2020 — Despite reports that global emissions of the potent greenhouse gas were almost eliminated in 2017, an international team of scientists has found ... read more

Latest Society/Education Headlines

updated 7:20am EDT

Burying or Burning Garbage Boosts Airborne Bacteria, Antibiotic Resistance Genes

Mar. 25, 2020 — Municipal solid waste is trash -- such as plastic, food scraps and lawn clippings -- that goes into garbage bins and doesn't get recycled. Most of this waste is buried in landfills or is incinerated. Now, researchers have shown that when disposed of in this way, municipal solid waste can be an important source of antibiotic-resistance genes in the ... read more

The Physics That Drives Periodic Economic Downturns

Mar. 24, 2020 — A professor says that the way spilled milk spreads across the floor can explain why economic downturns regularly occur. Because the economic prosperity derived from new ideas or inventions follows the same S-curve as the spreading of a substance over an area, it inevitably loses its return on investment toward the end of its life ... read more

'Toxic,' but Still Successful Professionally?

Mar. 16, 2020 — Toxic personality is a term used to describe people who behave greedily, immodestly and unfairly and take the truth very lightly. Researchers have found out why such people can still succeed in their careers. The trick that leads to the top is social ... read more

The Case for Economics -- By the Numbers

Mar. 3, 2020 — In recent years, criticism has been levelled at economics for being insular and unconcerned about real-world problems. But a new study finds that the field increasingly overlaps with the work of other disciplines, and, in a related development, has become more empirical and data-driven, while producing less work of pure ... read more