"Vast 'doughnut' discovered in molten metal of Earth's core."

Views expressed in this science and technology update are those of the reporters and correspondents.  Accessed on 31 August 2024, 0328 UTC.

Content and Source:  theguardian.com/science.

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

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

 

Science | The Guardian

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Vast ‘doughnut’ discovered in molten metal of Earth’s core

Science | The Guardian / 9h

Australian scientists hail finding as a step in unlocking secrets of planet’s protective magnetic field By travelling to the centre of the Earth via seismic waves scientists have discovered a ring-like structure within the swirling pool of molten metal known as the outer core. Research published in the journal Science Advances has identified a doughnut-shaped region within the outer core, paralle

Male mosquitoes can pick out females by sound, study finds

Science | The Guardian / 12h

Researchers say males can see other mosquitoes flying around, but give chase only when they hear female buzzing While dulcet tones might sway humans looking for a partner, it seems they are also important for male mosquitoes: researchers have found the insects chase others only when they hear the buzz of a female. Male mosquitoes form swarms involving thousands of individuals to attract potential

Nasa makes room on SpaceX trip to return astronauts stuck in orbit

Williams and Wilmore delayed return

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Science | The Guardian / 9h

Two astronauts at International Space Station will board SpaceX rocket in September instead of Boeing Starliner Nasa on Friday cut two astronauts from the next crew to make room on the return trip for the two stuck on the International Space Station . Nasa’s Nick Hague and the Russian cosmonaut Aleksandr Gorbunov will launch in September onboard a SpaceX rocket for the orbiting laboratory. The du

Today

George Pickett obituary

Science | The Guardian / 10h

Physicist whose work on nuclear refrigeration has aided understanding of the big bang and the early universe “Although absolute zero will for ever remain beyond our reach, we have achieved probably the next best thing.” These were the words of George Pickett, who has died aged 85, discussing his work on nuclear refrigeration at Lancaster University, the purpose of which was to produce the lowest

US repeating Covid mistakes with bird flu as spread raises alarm, experts say

Science | The Guardian / 13h

Public health experts warn ‘overinflated view of abilities’ and restrictive laws could make next outbreak more lethal The US is making the same mistakes with the H5N1 bird flu virus as with Covid, even as the highly pathogenic avian influenza continues spreading on American farms and raising alarms that it could mutate to become a pandemic, public health experts argue in the New England Journal o

Yesterday

I would not have been a minister under Tories, says Labour’s Patrick Vallance

Science | The Guardian / 22h

Exclusive: Former chief scientific adviser makes remark as DSIT announces reopening of recruitment for key role The Labour minister Patrick Vallance, who helped spearhead the country’s response to the Covid pandemic, has said he would not have served as a minister in a Conservative government. The former UK government chief scientific adviser was made a peer and appointed science minister this ye

Low cost ‘smart mask’ can detect disease from breath, researchers say

Smart mask analyzes breath for health

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22Science | The Guardian / 1d

Hopes that device may improve diagnosis and monitoring of conditions such as lung and kidney disease Scientists say they have created a “smart mask” that can analyse the wearer’s breath and detect tell-tale signs of disease. Researchers hope the device – which can beam its data to an app over Bluetooth – will offer an affordable and convenient way to capture and immediately analyse breath biomark

Marmosets use specific ‘names’ for one another, study finds

Science | The Guardian / 1d

Researchers say behaviour, identified for first time in non-human primates, aids social cohesion Whether referring to a politician, cheering on an athlete, or recounting what friends and family have been up to, names often crop up in everyday human communication. Now researchers say marmoset monkeys use similar labels. Besides humans, only dolphins and elephants were previously known to use vocal

Unregulated antibiotic use in animal research likely contributes to human drug resistance, study finds

Science | The Guardian / 1d

Survey of 95 labs in Australia and New Zealand finds 71% use antimicrobial drugs and in ways that ‘a lot of the time’ could be avoided Follow our Australia news live blog for latest updates Get our breaking news email , free app or daily news podcast Chronic and unregulated use and disposal of antibiotics in animal research facilities is contributing to the emergence of drug-resistant superbugs t

Aug 28, 2024

Catching up on sleep at weekends may lower heart disease risk by a fifth – study

Weekend sleep may reduce heart risk

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55Science | The Guardian / 1d

People with most compensatory sleep 19% less likely to develop heart disease than those with the least People who “catch up” on missed sleep at the weekend may have up to a 20% lower risk of heart disease compared with those who do not, according to a study. The findings, presented at a meeting of the European Society of Cardiology, looked at data from 90,903 adults taking part in the UK Biobank

Who wins from nature’s genetic bounty? The billions at stake in a global ‘biopiracy’ battle

Science | The Guardian / 1d

As multinationals and researchers harvest rare organisms around the world, anger is rising in the global south over the unpaid use of lucrative genetic codes found on their land Even in the warm summer sun, the stagnant puddles and harsh rock faces of Ribblehead quarry in North Yorkshire feel like an unlikely frontier of the AI industrial revolution. Standing next to a waterfall that bursts out f

Summer picks: the science of ‘weird shit’ – podcast

Science | The Guardian / 1d

The psychologist Chris French has spent decades studying paranormal claims and mysterious experiences, from seemingly impossible coincidences to paintings that purportedly predict the future. In this episode from April 2024, Ian Sample sits down with French to explore why so many of us believe in what he terms ‘weird shit’, and what we can learn from understanding why we are drawn to mysterious a

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"Jaguar I-Pace fire risk leads to recall, instructions to park outdoors."

Views expressed in this science and technology update are those of the reporters and correspondents.  Accessed on 30 August 2024, 1408 UTC.

Content and Source:  https://arstechnica.com

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

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

 

ARS Technica

18

Today

Jaguar I-Pace fire risk leads to recall, instructions to park outdoors

Ars Technica - All content / 11min

Enlarge / Jaguar sourced the I-Pace's battery cells from LG Energy Solutions. But now there's a problem with some of them. (credit: Jonathan Gitlin) The Jaguar I-Pace deserves more credit. When it debuted in 2018 , it was one of only two electric vehicles on sale that could offer Tesla-rivaling range. The other was the much more plebeian Chevrolet Bolt, which was cheaper but nowhere near as luxur

Asus ROG Ally X review: Better performance and feel in a pricey package

Ars Technica - All content / 1h

Enlarge / It's hard to fit the perfomance-minded but pricey ROG Ally X into a simple product category. It's also tricky to fit it into a photo, at the right angle, while it's in your hands. (credit: Kevin Purdy) The first ROG Ally from Asus , a $700 Windows-based handheld gaming PC, performed better than the Steam Deck, but it did so through notable compromises on battery life. The hardware also

Rocket Report: Blue Origin flies six to space; when will Starship launch again?

Ars Technica - All content / 1h

Welcome to Edition 7.09 of the Rocket Report! When will SpaceX launch the next test flight of Starship? It certainly doesn't look to be imminent, with SpaceX ground teams in Texas feverishly working to beef up the launch pad in preparation for an attempt to catch the rocket's massive Super Heavy booster when it returns to the launch site on the next flight. Meanwhile, the FAA is reviewing SpaceX'

Yesterday

Sunrise alarm clock didn’t make waking up easier—but made sleeping more peaceful

Ars Technica - All content / 13h

The Hatch Restore 2 with one of its lighting options on. [credit: Scharon Harding ] To say "I’m not a morning person" would be an understatement. Not only is it hard for me to be useful in the first hour (or so) of being awake, but it’s hard for me to wake up. I mean, really hard. I’ve tried various recommendations and tricks: I've set multiple alarms and had coffee ready and waiting, and I've pu

Revised Raspberry Pi 5 chip comes with unexpected power savings

Raspberry Pi 5 2GB benchmarks released

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Ars Technica - All content / 15h

Enlarge / The Broadcom SoC used in the original 4GB and 8GB Raspberry Pi 5. The 2GB version uses an updated revision with several small but significant benefits. (credit: Raspberry Pi) When Raspberry Pi introduced a new 2GB version of the Raspberry Pi 5 board earlier this month, CEO Eben Upton said that the board would come with a slightly updated version of the board's Broadcom BCM2712C1 SoC. By

Space Command chief says dialogue with China is too often a one-way street

Ars Technica - All content / 15h

Enlarge / Gen. Stephen Whiting, commander of US Space Command, speaks earlier this year at Peterson Space Force Base, Colorado. (credit: USSPACECOM photo by John Philip Wagner Jr. ) The head of US Space Command said Wednesday he would like to see more transparency from the Chinese government on space debris, especially as one of China's newer rockets has shown a propensity for breaking apart and

EmuDeck coder pivots to hardware with Linux-based “EmuDeck Machines”

EmuDeck launches crowdfunding for mini PC

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21Ars Technica - All content / 16h

Enlarge / Any resemblance to the Dreamcast is completely coincidental, we're sure. (credit: IndieGogo ) If you're familiar with the name EmuDeck, you're likely a Steam Deck owner looking for an easy and user-friendly way to run emulators on your Steam Deck handheld . Now, one of the coders behind that software suite is dipping their toes into branded gaming hardware with the EmuDeck Machines proj

US: Alaska man busted with 10,000+ child sex abuse images despite his many encrypted apps

Ars Technica - All content / 16h

Enlarge (credit: Getty Images | Yuichiro Chino ) The rise in child sexual abuse material (CSAM) has been one of the darkest Internet trends, but after years of covering CSAM cases, I've found that few of those arrested show deep technical sophistication. (Perhaps this is simply because the technically sophisticated are better at avoiding arrest.) Most understand that what they are doing is illega

Commercial spyware vendor exploits used by Kremlin-backed hackers, Google says

IoC > 4 domains

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Ars Technica - All content / 16h

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5 TTPs

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Kremlin hackers exploit commercial spyware

Enlarge (credit: Getty Images) Critics of spyware and exploit sellers have long warned that the advanced hacking sold by commercial surveillance vendors (CSVs) represents a worldwide danger because they inevitably find their way into the hands of malicious parties, even when the CSVs promise they will be used only to target known criminals. On Thursday, Google analysts presented evidence bolsteri

Apple is reportedly trying to invest in OpenAI

Apple in talks to invest OpenAI

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20Ars Technica - All content / 16h

Enlarge / The OpenAI logo. (credit: Getty Images) According to a report in The Wall Street Journal , Apple is in talks to invest in OpenAI, the generative AI company whose ChatGPT will feature in future versions of iOS. If the talks are successful, Apple will join a multi-billion dollar funding round led by Thrive Capital that would value the startup at more than $100 billion. The report doesn't

Feds to get early access to OpenAI, Anthropic AI to test for doomsday scenarios

OpenAI Anthropic partner with US Institute

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Ars Technica - All content / 16h

Enlarge (credit: Kilito Chan | Moment ) OpenAI and Anthropic have each signed unprecedented deals granting the US government early access to conduct safety testing on the companies' flashiest new AI models before they're released to the public. According to a press release from the National Institute of Standards and Technology (NIST), the deal creates a "formal collaboration on AI safety researc

Movie industry touts takedown of “world’s largest” pirate streaming ring

ACE shuts down Fmovies operation

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Ars Technica - All content / 17h

Enlarge / Motion Picture Association CEO Charles Rivkin speaks onstage during CinemaCon, a convention of the National Association of Theatre Owners, at Caesars Palace on April 9, 2024, in Las Vegas, Nevada. (credit: Getty Images | Jerod Harris ) A group representing major film studios said it collaborated with Vietnamese authorities to take down what it called "the largest pirate streaming operat

Eli Lilly raises price of Zepbound while trumpeting discount on starter vials

Eli Lilly cuts Zepbound prices

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Ars Technica - All content / 17h

Enlarge / An Eli Lilly & Co. Zepbound injection pen arranged in the Brooklyn borough of New York, US, on Thursday, March 28, 2024. (credit: Getty | helby Knowles ) Pharmaceutical giant Eli Lilly earned praise this week with an announcement that it is now selling starter dosages of its popular weight-loss drug tirzepatide (Zepbound) at a price significantly lower than before. But the cheers were s

We can now watch Grace Hopper’s famed 1982 lecture on YouTube

NSA releases Grace Hopper lecture

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56Ars Technica - All content / 17h

Rear Admiral Grace Hopper on Future Possibilities: Data, Hardware, Software, and People (Part One, 1982). The late Rear Admiral Grace Hopper was a gifted mathematician and undisputed pioneer in computer programming, honored posthumously in 2016 with the Presidential Medal of Freedom. She was also very much in demand as a speaker in her later career. Hopper's famous 1982 lecture on "Future Possibi

DOJ declares victory over Backpage as judge sends founder Lacey to prison

Lacey sentenced to 5 years

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Ars Technica - All content / 20h

Enlarge / Backpage founder Michael Lacey testifying at a US Senate hearing in January 2017. (credit: US Senate hearing ) Backpage founder Michael Lacey was sentenced yesterday to five years in prison and fined $3 million after being convicted on one count of money laundering. Lacey, 76, was also sentenced to three years of supervised release, the Department of Justice said in a press release . Tw

California legislature passes controversial “kill switch” AI safety bill

Musk supports California AI safety bill

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32Ars Technica - All content / 21h

Enlarge / California governor Gavin Newsom will likely soon face a decision on whether to sign SB-1047. (credit: Ray Chavez/The Mercury News via Getty Images) A controversial bill aimed at enforcing safety standards for large artificial intelligence models has now passed the California State Assembly by a 45–11 vote. Following a 32–1 state Senate vote in May, SB-1047 now faces just one more proce

Chatbots offer cops the “ultimate out” to spin police reports, expert says

AI chatbots assist police reports

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95Ars Technica - All content / 22h

Enlarge (credit: Aurich Lawson | Getty Images) If you were suspected of a crime, would you trust a chatbot to accurately explain what happened? Some police departments think the tech is ready. And officers who have started using chatbots to quickly complete their most dreaded task of drafting police reports seemingly don't want to go back to spending hours each week doing their own paperwork. In

EU investigating if Telegram played down user numbers to avoid regulation

Telegram faces investigation in India

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Ars Technica - All content / 22h

Enlarge (credit: NurPhoto via Getty ) Brussels is investigating whether Telegram breached EU digital rules by failing to provide accurate user numbers, as officials push to bring the controversial messaging app under stricter supervision. EU legal and data experts suspect that the app has understated its presence in the EU to stay under a 45 million user threshold, above which large online platfo

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