Author: MOST. JESMIN AKTER

A counterintuitive recipe for wildfires is brewing across drought-stricken Western states: a cold front.Limited time: Save 25% on NBC News subscriptionGet exclusive reporting, live Q&As and ad-free reading.Forecasters expect the large cold front to develop in the Pacific Northwest on Thursday then push southeast into the Intermountain West, creating dry lightning along the storm’s leading edge. The lightning could spark fires, and powerful winds throughout the weekend could spread any new blazes while exacerbating others already burning. “We have high risk for lightning moving across southern and eastern areas today and tomorrow, followed by several days of strong winds,” Basil…

For the first time, federal firefighters will be encouraged to wear respirators to protect them against smoke-related hazards as they work to put out wildland blazes. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content.The Forest Service announced Wednesday that firefighters were authorized to use N95 respirators on the fire line, a major policy reversal as the agency for decades did not allow such protections, even as studies demonstrated the health harms of wildfire smoke. “It’s long, long overdue,” said George Broyles, a longtime Forest Service firefighter who has researched wildfire exposure risks. “There’s…

In Britain, many older homes were built with thick walls, small windows and insulation designed to retain heat during long winters.“It’s almost like you can’t escape the heat,” said Stefan Cretu, a 22-year-old financial analyst in London. “It’s hot outside, and somehow it’s even hotter inside — my house feels like a trap.”That stands in contrast to many parts of the United States, where air conditioning is widespread, and modern cooling systems and building designs intended to manage extreme summer temperatures are in place. The daily commute is another challenge for Londoners. “It’s sweaty, crowded and suffocating,” Cretu said of…

Nestled in the Great Basin, a remote stretch of the Nevada desert is set to become home to the world’s most sensitive radio telescope array.Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content.The California Institute of Technology, which is leading the project, announced last week that it is moving ahead with the telescope’s construction after securing enough funding. Known as the Deep Synoptic Array, the project calls for 1,650 individual radio dishes that together will study supermassive black holes, spinning dead stars known as pulsars and fast radio bursts, which are brief, intense explosions…

Severe storms, flash flooding and extreme heat are battering parts of the Plains, Midwest and the South this weekend, threatening to disrupt World Cup fans, athletes and holiday travelers alike.Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content.Flood alerts remain in effect for around 20 million people across the central and southern parts of the country. In the South, including in eastern Texas, Louisiana, southern Arkansas, Mississippi, Alabama and Georgia, the remnants of Tropical Storm Arthur continue to sweep through the region.Preliminary rainfall totals in Louisiana on Friday may have set a new state…

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Southeastern states can expect a prolonged deluge with the possibility of intense flash flooding as Tropical Storm Arthur moves through the area. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content.Arthur, which formed off the coast of Texas, is the first named storm of this hurricane season. Storms receive names once their wind speeds reach or exceed 39 mph. National Hurricane Center forecasters said Wednesday that Arthur’s wind speeds had reached about 45 mph with some higher gusts. They expected 5 to 10 inches of rain through early Friday along the Texas coast, before…

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In prehistoric graves of children in Siberia, scientists have found the world’s oldest evidence of a plague outbreak.Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content.The discovery, described in a study published Wednesday in the journal Nature, rewrites the history of one of the most consequential diseases in human history. The graves, on the banks of the Angara River, contained remains from multiple generations of hunter-gatherers, along with archaeological remnants like arrowheads that date back about 5,500 years. When researchers did genetic testing on the skeletons’ teeth, they found DNA of the bacterium that…

Unlike many other flagship NASA missions, the Roman telescope came in under budget and ahead of schedule — a feat that wasn’t easy, Benford said.“It has been a huge focus of my professional life to get this observatory into operation in space, and for many years it really felt like it was a constant struggle to do that,” he said.The project weathered major interruptions, including the Covid pandemic and the two longest government shutdowns in U.S. history (this year’s and last year’s). Originally, NASA had aimed to launch the Roman telescope no later than May 2027.The observatory is slated to…