Tuesday, July 23, 2024

ARS Technica-Science

"Human bird flu cases tick up.  Second Colorado poultry farm reports spread."

Views expressed in this science and technology update are those of the reporters and correspondents.  Accessed on 23 July 2024, 1457 UTC.

Content and Source:  arstechnica.com/science/

Please check link or scroll down to read your selections.  Thanks for joining us today.

Russ Roberts (https://hawaiisciencejournal.blogspot.com).


SCIENCE / Science & Exploration

A mid-September test flight of Vulcan could permit a military launch this year

  1. ULA looks to have a good shot at making its Vulcan rocket operational this year.

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Human bird flu cases tick up; second Colorado poultry farm reports spread

  1. Seven cases have been reported in Colorado this month, bringing the total to 11.

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Model mixes AI and physics to do global forecasts

  1. Google/academic project is great with weather, has some limits for climate.

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The Falcon 9 rocket may return to flight as soon as Tuesday night

  1. SpaceX is waiting for a determination from the FAA.

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We’re building nuclear spaceships again—this time for real 

  1. The military and NASA seem serious about building demonstration hardware.

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Will burying biomass underground curb climate change?

  1. Though carbon removal startups may limit global warming, significant questions remain.

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Mini-Neptune turned out to be a frozen super-Earth

  1. The density makes it look like a water world, but its dim host star keeps it cool.

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Armada to Apophis—scientists recycle old ideas for rare asteroid encounter

  1. "It will miss the Earth. It will miss the Earth. It will miss the Earth."

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Illegal drug found in Diamond Shruumz candies linked to severe illnesses

  1. New testing finds psilocin, related to psilocybin, in gummies purchased in 2023.

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Coal-filled trains are likely sending people to the hospital

  1. Coal-filled trains trail a cloud of particulates shaken free from their cargo.

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Rocket Report: Firefly’s CEO steps down; Artemis II core stage leaves factory

  1. Rocket Factory Augsburg completed qualification of its upper stage for a first launch this year.

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Long COVID rates have declined, especially among the vaccinated, study finds

  1. In large study, rates of long COVID fell from 10% to 3.5% for the vaccinated.

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NASA built a Moon rover but can’t afford to get it to the launch pad

  1. "It would have been revolutionary. Other missions don’t replace what is lost here."

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One more way to die: Tremors when Vesuvius erupted collapsed shelter walls

  1. Two male skeletons showed signs of severe fracture and trauma injuries.

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Researchers track individual neurons as they respond to words

  1. When processing language, individual neurons respond to words with similar meanings.

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Researchers build ultralight drone that flies with onboard solar

  1. Bizarre design uses a solar-powered motor that's optimized for weight.

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Electric eels inspire novel “jelly” batteries for soft robotics, wearables

  1. Another team built a lithium-ion battery with electrolyte layer that expands by 5,000%.

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Five people infected as bird flu appears to go from cows to chickens to humans

  1. High temperatures made it hard for workers to use protective gear during culling.

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Elon Musk says SpaceX and X will relocate their headquarters to Texas

  1. The billionaire blamed a California gender identity law for moving SpaceX and X headquarters.

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Meet the woman whose research helped the FBI catch notorious serial killers

  1. Hulu documentary Mastermind: To Think Like a Killer traces career of Dr. Ann Burgess.

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Seismic data shows Mars is often pummeled by planet-shaking meteorites

  1. Seismic information now allows us to make a planet-wide estimate of impact rates.

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The struggle to understand why earthquakes happen in America’s heartland

  1. The New Madrid fault line remains something of an enigma to seismologists.

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With Falcon 9 grounded, SpaceX test-fires booster for next Starship flight

  1. SpaceX says a liquid oxygen leak caused the failure of a Falcon 9 launch last week.

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Will space-based solar power ever make sense?

  1. Years of talk have now moved to design studies and hardware in space.

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Genetic cloaking of healthy cells opens door to universal blood cancer therapy

  1. Blood stem cells are being engineered to protect them from lethal therapies.

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Animals use physics? Let us count the ways

  1. Cats twist and snakes slide, exploiting and negotiating physical laws.

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In the South, sea level rise accelerates at some of the most extreme rates on Earth

  1. The surge is startling scientists, amplifying impacts such as hurricane storm surges.

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NATO allies pledge $1 billion to promote sharing of space-based intel

  1. Agreement marks the largest investment in space-based capabilities in NATO’s history.

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NASA’s flagship mission to Europa has a problem: Vulnerability to radiation

  1. "What keeps me awake right now is the uncertainty."

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Much of Neanderthal genetic diversity came from modern humans

  1. Neanderthals' low diversity means their population was even smaller than we thought.

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500 million-year-old fossil is the earliest branch of the spider’s lineage

  1. A local fossil collector in Morocco found the specimen decades ago.

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Peer review is essential for science. Unfortunately, it’s broken.

  1. There's no incentive to fix the system, which was never designed to catch fraud anyway.

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Rocket Report: Chinese firm suffers another failure; Ariane 6 soars in debut

  1. "This powers Europe back into space.”

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SpaceX’s unmatched streak of perfection with the Falcon 9 rocket is over

  1. The Falcon 9 is grounded pending an investigation, possibly delaying upcoming crew flights.

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Scientists built real-life “stillsuit” to recycle astronaut urine on space walks

  1. Prototype would replace multi-layered adult diapers currently worn on space walks.

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Lion brothers in search of mates just set a record for longest-known swim

  1. Brothers Jacob and Tibu braved hungry hippos and crocodiles to make the crossing.

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