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Friday, Aug 19

22

Surprising attractiveness of hurdle to developing safe, clean and carbon-free energy

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Scientists have discovered the remarkable impact of reversing a standard method for combatting a key obstacle to producing fusion energy on Earth. Theorists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL…

Algeria fires mostly contained but more residents forced to evacuate

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Wildfires which killed at least 38 people across northern Algeria have been largely contained, firefighters said Friday, but new blazes forced further evacuations and the closure of some roads near the Tunisian border.

How do you take a better image of atom clouds? Mirrors—lots of mirrors

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When it goes online, the MAGIS-100 experiment at the Department of Energy's Fermi National Accelerator Laboratory and its successors will explore the nature of gravitational waves and search for certain kinds of wavelike dark matter. But…

Experts go all in when CEBAF is in trouble

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For decades, physicists and researchers from around the globe have flocked to the U.S. Department of Energy's Thomas Jefferson National Accelerator Facility to unlock the subatomic mysteries of how the universe works.

Forecasting the future to help protect monarch butterflies 

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The outlook for monarch butterflies isn't great right now. In fact, the International Union for the Conservation of Nature, or IUCN, just added North America's monarchs to its list of endangered species.

Scientists are discovering ways to eliminate PFAS, but this growing global health problem isn't going away soon

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PFAS chemicals seemed like a good idea at first. As Teflon, they made pots easier to clean starting in the 1940s. They made jackets waterproof and carpets stain-resistant. Food wrappers, firefighting foam, even makeup seemed better with…

Ultrathin dental camera inspired by insect-eye structure

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Conventional dental photography technology has had a limitation in using inconvenient tools such as mirrors and cheek retractors. Dentists require basic teeth images from various angles, such as right/left buccal and maxillary/mandibular…

21

After 45 years, the 5-billion-year legacy of the Voyager 2 interstellar probe is just beginning

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On August 20 1977, 45 years ago, an extraordinary spacecraft left this planet on a journey like no other. Voyager 2 was going to show us, for the first time, what the outer solar system planets looked like close-up. It was like sending a…

Stop dissing pessimism—it's part of being human

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In today's society, being happy and having an optimistic attitude are social expectations that weigh heavily on how we live and the choices we make.

A third straight La Niña is likely—here's how you and your family can prepare

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Hearts sank along the Australian east coast this week when the Bureau of Meteorology announced a third consecutive La Niña was likely this year. La Niña weather events typically deliver above-average rainfall in spring and summer.

60 million years of climate change drove the evolution and diversity of reptiles

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Just over 250 million years ago during the end of the Permian period and start of the Triassic, reptiles had one heck of a coming out party.

Scientists take a deep dive into how sharks use the ocean

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Using sophisticated electronic tags, scientists have assembled a large biologging dataset to garner comparative insights on how sharks, rays, and skates—also known as "elasmobranchs"—use the ocean depths. While some species spend their…

20

Inflationary psychology could make things worse, but for now it's in check

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With the world is experiencing inflation levels not seen since the 1980s, central banks are caught between warning of the dangers of an 1970s-style inflationary spiral, and contributing to that spiral by talking about it.

Study sheds new light on materials assembly in confinement

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Cramming multiple pairs of shoes into a vacation suitcase, twisting and flipping them into different arrangements to fit every pair needed, is a familiar optimization problem faced by harried travelers. This same problem is well known to…

Replacing pesticides with ants to protect crops

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A team of researchers affiliated with several institutions in Brazil, working with one colleague from Spain and another from the U.S., has found evidence that suggests ants can be used as a natural pesticide for a wide variety of crops. In…

Where exactly will astronauts land on the moon? NASA is going to tell us

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With NASA's first Artemis mission to the moon set to launch before the end of the month, teams are gearing up for future missions with astronauts including just exactly where the next people to set foot on the moon will be leaving their…

Researchers design compact high-power laser using plasma optics

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Lawrence Livermore National Laboratory (LLNL) researchers have designed a compact multi-petawatt laser that uses plasma transmission gratings to overcome the power limitations of conventional solid-state optical gratings. The design could…

Wave created by Tonga volcano eruption reached 90 meters—nine times taller than 2011 Japan tsunami

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The initial tsunami wave created by the eruption of the underwater Hunga Tonga Ha'apai volcano in Tonga in January 2022 reached 90 meters in height, around nine times taller than that from the highly destructive 2011 Japan tsunami, new…

19

Which animals can best withstand climate change?

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Extreme weather such as prolonged drought and heavy rainfall is becoming more and more common as the global average temperature rises—and it will only get worse in the coming decades. How will the planet's ecosystems respond?

Climate change may cause steeper wheat price spikes and economic inequality

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Rising temperatures are harmful to wheat yields. However, crop yields do not provide a holistic vision of food security. The impacts of climate change on wheat price, livelihood and agricultural market fundamentals are also important to…

Scientists identify O-GlcNAcylation as cause of pancreatic tumor growth by regulating MDH1

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Pancreatic cancer is an exceedingly malignant tumor in the digestive system, and its five-year survival rate is little more than 10%. Metabolic alterations are one of the hallmarks of tumor cells. Oncogenic Kras-activated pancreatic ductal…

Developmental biologists map multi-gene activity hotspots in developing embryos for the first time

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Years of work by developmental biologists from Trinity College Dublin, working with colleagues at the University of Edinburgh's MRC Human Genetics Unit, has yielded a resource that will help researchers assess how key genes control the…

Scientists stunned by vast insect migration

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Tens of millions of migratory insects cross at least 100 km of open sea to reach Cyprus on the way to mainland Europe, new research shows.

Nanorods overcome tigecycline resistance of Klebsiella pneumonia

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Long-term and excessive use of antibiotics has caused the spread of antibiotic resistance. The time- and cost-consuming process of new antibiotic development results in the much slower emergence of new antibacterial drugs than that of…

Shark depredation impacts support for shark conservation

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Conflict between shark populations and fishing communities is reported to be rising within one of the world's first shark sanctuaries.

18

How certain environment authority decisions are based on trust in citizen data

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County administrative boards and the Swedish Forest Agency use species sightings reported by the public to make various environmental decisions. This is done largely on the basis of trust between a few actors who determine which sightings…

How a scientist established a two-stage solar flare early warning system

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Solar flares are solar storm events driven by magnetic field in the solar activity area. When this flare radiation comes to the Earth's vicinity, the photo-ionization increases the electron density in the D-layer of the ionosphere, causing…

Anti-Black racism linked to lower support for some gun rights

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Racially resentful white Americans are less likely to support some gun rights if they believe Black people are exercising those rights more than white people, according to research published by the American Psychological Association.

Transcriptome analysis reveals the regulatory mechanism by which MdWOX11 suppresses shoot formation in apples

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Recently, a team led by Professor Dong Zhang from the College of Horticulture, Northwest A&F University, published a research article entitled "Transcriptome analysis reveals the regulatory mechanism by which MdWOX11 suppresses…

Spatial-network modeling may offer new path to monitoring political hotspots

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An improvement to a computer model may help scientists better predict the future moves of political factions and locate where they might interact with other—often rival—groups, according to Penn State researchers. Predicting those moves…