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כתבות אחרונות מאתר 'Phys'
Phys

Cleaner ship fuel changed clouds, but not their climate balance‎

To reduce air pollution associated with ocean transport, the International Maritime Organization tightened restrictions on sulfur content in ship fuel, resulting in an 80% reduction in emissions by 2020. That shift created an inadvertent real-world experiment in how man-made aerosols influence cloud formation over the ocean.

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Phys

Map shows the far-flung places Colorado's wolves traveled in the past month‎

At least one of Colorado's collared wolves roamed widely across southwestern Colorado in the last month, a new map of wolf locations released by Colorado Parks and Wildlife shows. One of the state's 19 collared wolves traveled quickly through a number of watersheds in that region, including near tribal land, according to a CPW news release. The map shows a wolf presence in a string of watersheds stretching from Alamosa west to Durango and then north, near Grand Junction.

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Phys

Burning satellites in the stratosphere: Emerging questions for climate‎

The sky is getting crowded. In the last few years, the number of satellite launches has increased by an order of magnitude as mega-constellations of internet-powering hardware crowd into low Earth orbit. The pace of both launching and retiring these units is creating new kinds of pollution, potentially upsetting the climate system and the protective ozone layer.

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Phys

Men are embracing beauty culture—many of them just refuse to call it that‎

Just weeks after the premiere of popular gay hockey romance series "Heated Rivalry," star Hudson Williams' extensive skincare routine has gone viral. In a now-viral video for The Cut, the 24-year-old walks viewers through his "five-step Korean beauty routine."

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Phys

Is time a fundamental part of reality? A quiet revolution in physics suggests not‎

Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human memory seems to unfold along a single, irreversible direction. We are born and we die, in exactly that order. We plan our lives around time, measure it obsessively and experience it as an unbroken flow from past to future. It feels so obvious that time moves forward that questioning it can seem almost pointless.

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Phys

The first headbutting paravian: Bird-like dinosaur likely used thick skull to win over mates‎

Whether it's digging up weathered bones from a paleontological site or reexamining forgotten trays in museum and university collections, the study of dinosaurs still throws up something new.

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Phys

AI enables a who's who of brown bears in Alaska‎

A team of scientists from EPFL and Alaska Pacific University has developed an AI program that can recognize individual bears in the wild, despite the substantial changes that occur in their appearance over the summer season. This breakthrough holds significant promise for research, management, and conservation efforts. The study is published in the journal Current Biology.

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Phys

ICE not only looks and acts like a paramilitary force—it is one, and that makes it harder to curb‎

As the operations of Immigration and Customs Enforcement have intensified over the past year, politicians and journalists alike have begun referring to ICE as a "paramilitary force."

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Phys

What is extremism, and how do we decide?‎

As controversy over Australia's new hate laws continues, last weekend's so-called March for Australia rallies were the latest in a string of events that have raised the temperature of public debate.

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Phys

Submarine mountains and long-distance waves stir the deepest parts of the ocean‎

When most of us look out at the ocean, we see a mostly flat blue surface stretching to the horizon. It's easy to imagine the sea beneath as calm and largely static—a massive, still abyss far removed from everyday experience.

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