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“Like a milky orange juice”: Alaskan rivers turning orange due to climate change, study finds

In Alaska, dozens of the state’s rivers are turning orange and climate change seems to be to blame.

According to a recent study published in the journal Communications Earth & Environment, iron and other toxic metals are leaching into the water supply for 75 streams in Alaska’s Brooks Range. The scientists used remote sensing to determine that these substances began entering the river systems within the last 10 years, corresponding with a period when climate change caused increased warming and snowfall....

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This summer could be even hotter than last year, climate scientists warn

Marine scientist Sharon Gray lives on a catamaran off the Florida west coast. Even though her state’s governor, Ron DeSantis, recently signed a controversial law that effectively wipes references to climate change out of the state’s statutes, Gray deeply worries about global heating. As the cyclical La Niña weather pattern in the Pacific combines with rising sea surface temperatures (SST), Gray predicts a “devastating” hurricane will occur in summer 2024....

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Scientists worry so-called “Doomsday Glacier” is near collapse, satellite data reveals

Antartica’s Thwaites Glacier is also known as the “Doomsday Glacier” because it could great contribute to sea level rise if it collapses. And new evidence suggests that’s exactly what’s happening.

Miles and miles below the surface, the glacier is destabilizing as ocean water rushes underneath its core structures. Scientists learned this thanks to high-resolution satellite radar data that shows Thwaites is being flooded with warm sea water, according to the study published in the journal PNAS....

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Second human bird flu case linked to dairy detected in Michigan. Public threat remains low, CDC says

A second dairy worker has tested positive for H5N1, the influenza A virus known as bird flu. The confirmed case involves a Michigan farmworker, the Michigan Department of Health announced on Wednesday. The Centers for Disease Control and Prevention said the risk to the public remains low and that the patient recovered with mild symptoms....

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“Crazy haywire”: Massive coral reef bleaching driven by climate change

“Crazy haywire” are not words one usually hears from an official at the National Oceanic and Atmospheric Administration (NOAA), yet that is how Derek Manzello recently described the record-high temperatures threatening to decimate the world’s coral reefs. Speaking at a press conference on Thursday, the coordinator of the NOAA’s Coral Reef Watch Program said that more than three-fifths of the world’s coral reefs (60.5%) had started bleaching due to high ocean temperatures....

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Sociopaths and psychopaths are not necessarily monsters. Experts urge using these terms properly

To learn how to spot a psychopath and a sociopath, one must begin by dispelling a common myth about them: They are not all murderers.

This may come as a surprise to some readers. When we hear about psychopaths, it is usually in the context of true crime stories or horror movies, such as when the Michael Myers of the “Halloween” series is described as having “the eyes of a psychopath.”...

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Cold-blooded killer: Study finds climate change is driving deadly cold waves, harming wildlife

Bull sharks (Carcharhinus leucas) are large, voracious predators. Measuring anywhere from 7 to 11 feet from tail to snout, with dark gray skin and a white underbelly, bull sharks eat everything from fishes and dolphins to other sharks and even the occasional human. It is for that last reason that it takes a lot of gumption to attach electronic tags to wild bull sharks — yet that is precisely what scientists did in a recent study for the journal Nature....

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Magma world: A volcanic planet is “constantly exploding” with molten lava, astronomers announce

Like a giant exploding ember floating in space, a planet made of molten lava and covered in active volcanoes was recently described in The Astronomical Journal. Known as TOI-6713.01, the exoplanet was first spotted by UC Riverside astrophysicist Dr. Stephen R. Kane using NASA’s Transiting Exoplanet Survey Satellite, or TESS....

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Scientists decode orangutan communication using machine learning

Wendy Erb has spent countless hours studying orangutans in Borneo’s tropical peatland forests in order to learn how male Bornean orangutans (Pongo pygmaeus wurmbii) communicate. While doing so, she discovered one undeniable advantage of understanding orangutan language: When the males decide to show off their strength by uprooting nearby trees, nearby scientists need to be careful to not get smooshed....

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