Improved air quality model aids forecasters in the field

Improved air quality model aids forecasters in the field

AQM v7 prediction of PM2.5 concentration (unit: μg/m^3) overlaid with USEPA observations (colored circles) across the Northwestern U.S. at 00Z UTC on July 30, 2024. Credit: NOAA Environmental Modeling Center Imagine you’re a NOAA weather forecaster in the field during a raging, rapidly-spreading wildfire. Your title is incident meteorologist (or IMET), and your job is … Read more

Social media negatively impacting teens’ life satisfaction, finds Australian survey

Social media negatively impacting teens’ life satisfaction, finds Australian survey

Credit: Unsplash/CC0 Public Domain Social media is negatively impacting the life satisfaction of Australian high school students, according to the latest findings from Australia’s largest survey of young people. The study found that non-binary students who regularly use social media reported the lowest levels of life satisfaction. Meantime, TikTok, Reddit and Twitch users who identified … Read more

Pausing biological clock could give boost to lab-produced blood stem cells

Pausing biological clock could give boost to lab-produced blood stem cells

Magnified images show the increase in blood stem cell production that occurred when a second wave of inflammatory signaling was delayed in zebrafish embryos. The blood stem cells are colored green. Credit: Clyde Campbell A decade ago, Raquel Espin Palazon discovered that inflammatory signaling pathways must switch on for embryos to produce blood stem cells. … Read more

How a failed switch won the Nobel Prize

How a failed switch won the Nobel Prize

This picture shows an artistic representation of the nano car built by the Feringa group, using four light driven motor molecules connected by a “chassis.” It stands in front of the Academy Building of the University of Groningen. Credit: Peter van der Sijde In 2016, University of Groningen Professor of Organic Chemistry Ben Feringa and … Read more

First robot leg with ‘artificial muscles’ jumps nimbly: Study

First robot leg with ‘artificial muscles’ jumps nimbly: Study

While conventional robotic legs are driven by an electromagnetic rotary motor (left), for their musculoskeletal system the researchers use electrohydraulic actuators – i.e. artificial muscles (right). Credit: Thomas Buchner / ETH Zurich and Toshihiko Fukushima / MPI-IS Researchers said on Monday they had designed the first robotic leg with “artificial muscles”—oil-filled bags allowing machines to … Read more

Researcher examines model to foster just and equitable youth engagement in residential facilities

Researcher examines model to foster just and equitable youth engagement in residential facilities

Credit: Unsplash/CC0 Public Domain Recent research by Andrew Nalani, a faculty member at Vanderbilt Peabody College of education and human development, examines the viewpoints of youth care workers in juvenile residential facilities and their desires for fostering more just and equitable systems through youth-adult partnerships. Youth-adult partnerships (Y-APs) are a model for promoting social justice … Read more

Unraveling the fundamental principles of eutectic solidification with real-time, nanoscale imaging

Unraveling the fundamental principles of eutectic solidification with real-time, nanoscale imaging

Credit: Acta Materialia (2024). DOI: 10.1016/j.actamat.2024.120314 During eutectic solidification, a mixture of two or more solids self-assemble, forming composite microstructures ranging from ordered layers to intricate maze-like patterns that underlie properties like tensile strength or ductility. Up to this point, researchers have not understood what conditions drive eutectics to form certain patterns, which is critical … Read more

How to spot NASA’s solar sail demo in orbit

How to spot NASA’s solar sail demo in orbit

NASA’s Advanced Composite Solar Sail System is seen orbiting Earth in this 13-second exposure photograph, Monday, Sept. 2, 2024, from Arlington, Virginia. Credit: NASA/Bill Ingalls Now that its reflective sail has deployed fully open in orbit, the Advanced Composite Solar Sail System can be seen in the night sky from many locations across the world! … Read more

Scientists prove long-standing wave amplification theory

Scientists prove long-standing wave amplification theory

Equipment used in the Zel’dovich experiment. Credit: University of Southampton Physicists at the University of Southampton have tested and proven a 50-year-old theory for the first time using electro-magnetic waves. They have shown that the energy of waves can be increased by bouncing “twisted waves”—those with angular momentum—off of an object which is rotating in … Read more

Drought sinks longest Polish river to record-low level

Drought sinks longest Polish river to record-low level

This aerial photograph taken on September 6, 2024 shows a view of the drought-affected Vistula River in Warsaw. Poland’s longest river, the Vistula, on Sunday hit a record-low water level in the capital because of drought, the national weather agency said. Its level at one Warsaw measuring station fell to 25 centimeters (10 inches), beating … Read more