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Rapid development is main threat to big carnivores: StudyDeclines in populations of big carnivores like lions, tigers and wolves may be driven more by rapid human economic development than habitat loss or climate change, according to a new study Tuesday.
01/29/23
How three dust specks reveal an asteroid's secretsThe specks are tiny. No, really tiny. Smaller than the diameter of a hair. But they hold billions of years of history that reveal some of the secrets of asteroids.
01/29/23
Authorities raise alert level around Lascar volcano in northern ChileAuthorities in Chile on Saturday raised the alert level and limited access to the area around the Lascar volcano, after an increase in seismic activity raised fears of a possible eruption.
01/29/23
'Drought' has New Yorkers asking: 'Where's the snow?'The idea of New York in wintertime conjures up images of Manhattan's Times Square and Central Park shrouded in snow. Not this year.
01/29/23
Camera captures night sky spiral after SpaceX rocket launchA camera atop Hawaii's tallest mountain has captured what looks like a spiral swirling through the night sky.
01/28/23
A new way to identify stresses in complex fluidsFluid dynamics researchers use many techniques to study turbulent flows like ocean currents, or the swirling atmosphere of other planets. Arezoo Adrekani's team has discovered that a mathematical construct used in these fields provides valuable information about stress in complex flow geometries.
01/27/23
ChatGPT: Study shows AI can produce academic papers good enough for journals—just as some ban itSome of the world's biggest academic journal publishers have banned or curbed their authors from using the advanced chatbot, ChatGPT. Because the bot uses information from the internet to produce highly readable answers to questions, the publishers are worried that inaccurate or plagiarized work could enter the pages of academic literature.
01/27/23
First observation of de Broglie-Mackinnon wave packets achieved by exploiting loophole in 1980s theoremUniversity of Central Florida College of Optics and Photonics researchers achieved the first observation of de Broglie-Mackinnon wave packets by exploiting a loophole in a 1980s-era laser physics theorem.
01/27/23
European farms mix things up to guard against food-supply shocksGreater diversification could help agriculture withstand climate, economic and geopolitical crises.
01/27/23
Growing borrowing costs offset easing inflation, finds consumer surveyConsumer sentiment lifted for the second straight month in January, rising 9% above December but remaining about 3% below a year ago, according to the University of Michigan Surveys of Consumers.
01/27/23
UV lamps used for disinfection may impair indoor air qualityUsing ultraviolet germicidal radiation (UVGI) to disinfect indoor spaces is a demonstrably effective way of deactivating various pathogens (including the SARS-CoV-2 coronavirus). It deactivates bacteria and viruses by exposing them to high-energy UV radiation through the use of UV lamps.
01/27/23
Newly-named species of tree-dwelling snakes threatened by miningFive new tree-dwelling snake species were discovered in the jungles of Ecuador, Colombia, and Panama. Conservationists Leonardo DiCaprio, Brian Sheth, Re:wild, and Nature and Culture International chose the names for three of them in honor of loved ones while raising awareness about the issue of rainforest destruction at the hands of open-pit mining operations. The research was conducted by Ecuadorian biologist Alejandro Arteaga and Panamanian biologist Abel Batista.
01/27/23
Instrument on JWST has gone offlineThe JWST is having a problem. One of its instruments, the Near Infrared Imager and Slitless Spectrograph (NIRISS), has gone offline. The NIRISS performs spectroscopy on exoplanet atmospheres, among other things.
01/27/23
Volcano-like rupture could have caused magnetar slowdownOn Oct. 5, 2020, the rapidly rotating corpse of a long-dead star about 30,000 light years from Earth changed speeds. In a cosmic instant, its spinning slowed. And a few days later, it abruptly started emitting radio waves.
01/27/23
Environmentalists to file lawsuit over Illinois' Bell Bowl Prairie, home to the endangered rusty patched bumblebeeThe fight to preserve Bell Bowl Prairie in Rockford, Illinois, where federally endangered rusty patched bumblebees have been found, ramped up this week, with environmentalists saying they intend to return to federal court.
01/27/23
An AI bot passed this Wharton professor's exam. Here's why he's not concernedWharton professor Christian Terwiesch was sitting with his grown children around the dinner table when the subject of artificial intelligence came up. Both of his kids had been experimenting with the nascent technology in their respective fields: "one of them is interested in design...and the other one is interested in computer science."
01/27/23
Looking back at the Tonga eruptionA new analysis of seismic data recorded after the massively violent eruption of the underwater volcano Hunga Tonga-Hunga Ha'apai, on January 15, 2022, has revealed new and useful information on the sequence of events. Kotaro Tarumi and Kazunori Yoshizawa at Hokkaido University discuss their methods and findings in an article in Earth and Planetary Science Letters.
01/27/23
Movements in proteins reveal information about antibiotic resistance spreadingResearchers at Umeå University have discovered how a certain type of protein moves for DNA to be copied. The discovery could have implications for understanding how antibiotic resistance genes spread between bacteria.
01/27/23
Hubble views bright variable star V 372 Orionis and a smaller companion starThe bright variable star V 372 Orionis takes center stage in this image from the NASA/ESA Hubble Space Telescope, which has also captured a smaller companion star in the upper left of this image. Both stars lie in the Orion Nebula, a colossal region of star formation roughly 1,450 light-years from Earth.
01/27/23
Research reveals how redlining grades influenced later life expectancyResearch from Washington University in St. Louis exposes the deadly legacy of redlining, the 1930s-era New Deal practice that graded neighborhoods by financial risk and solidified the notion that an area's property value was proportional to its racial composition.