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O esperado primeiro equipamento de inteligência artificial da OpenAI continua envolto de mistério e voltou a ser adiado. A equipa, liderada por Jony Ive, o “pai” do iPhone, está a recrutar elementos para a sua equipa diretamente da Apple.

The post OpenAI adia o seu primeiro equipamento de IA, mas lança acessório para programadores appeared first on Tek Notícias.

Samsung's next flip phone might be tough to tell apart from last year's Galaxy Z Flip 7. As 9to5Google points out, leaked images and specs for the upcoming Galaxy Z Flip 8 shared by WinFuture are nearly identical to Samsung's current flip phone.

According to the leak, Samsung is not planning to upgrade the Z Flip 8 to one of Qualcomm's Snapdragon processors. Instead, it will have a Samsung Exynos 2600 chip, the successor to the previous-generation Exynos 2500 in the Z Flip 7. The only other notable upgrade is support for 45W wired charging.

Samsung is expected to officially announce the Z Flip 8, and the rest of its new lineup of foldable …

Read the full story at The Verge.

After an eight-year run, OnePlus announced today that it has exited the United States. It's bittersweet, as the brand has been on a comeback tour of sorts with its excellent OnePlus 15 and widely praised (though still too expensive) OnePlus Open.

The writing has been on the wall for a while now. T-Mobile stopped stocking OnePlus' flagship phones after 2022, instead deciding to only carry its low-end Nord devices, and Verizon's run with OnePlus only lasted two years, from 2020 through 2021. Even though it continued releasing flagships, OnePlus' US footprint has been fading. In January, Android Headlines even claimed that the brand was being …

Read the full story at The Verge.

PIÙ IPHONE ULTRA DEL PREVISTO?

Apple Watch alumínio pode sofrer corrosão devido à química do suor. Saiba o que acontece e como evitar danos ao seu relógio.

O post Entenda a corrosão no Apple Watch de alumínio causada pelo suor apareceu primeiro em Blog do Edivaldo - Informações e Notícias sobre Linux.

Naked mole-rats have long puzzled biologists with their striking eusocial structure, where most adults remain reproductively suppressed while a queen controls the colony’s future. Now, a new study identifies a chemical “queen odour” that links social status to endocrine control, revealing a mammalian analogue to insect queen pheromones.

The molecule, termed IPM, is enriched by the queen and acts as the key mediator of reproductive suppression in non-breeding females. When IPM is present, circulating prolactin rises while progesterone is suppressed, locking the colony into a stable reproductive hierarchy characterized by reduced conflict and maintained group cohesion.

Crucially, the team connects this behavioural outcome to the brain. Using multiple approaches—including non-invasive functional ultrasound imaging (fUSI)—they show that IPM provokes strong activation of olfactory neurons and central neural circuits. This provides a neural substrate for how a chemical cue can trigger colony-wide physiological change, rather than relying on social learning or passive association.

The experiments also clarify sensory routing. Ablating olfaction abolishes aggression initiation and lowers prolactin levels, directly tying IPM detection to reproductive suppression. While the findings are consistent with sensing through the main olfactory epithelium, the authors note that the vomeronasal system may still contribute.

Queen removal normally destabilizes colonies, leading to aggression, reproductive competition, prolactin decline, and, in extreme cases, mortality. Yet when IPM is added to queenless bedding, the colony remains stable for months. During this period, fecal progesterone metabolite levels stay low, indicating sustained ovarian quiescence alongside elevated prolactin.

The study also addresses a longstanding paradox: transferring soiled bedding and urine from parent colonies fails to maintain suppression in isolated individuals. The authors propose that IPM’s chemistry helps explain this discrepancy. As a long-chain fatty acid ester with low volatility, IPM may persist within the colony environment but fail to travel effectively over distance or survive transfer pathways that preferentially carry other chemicals.

Comparative work extends beyond naked mole-rats. IPM is detected in breeding females of four additional Fukomys species. Although reproductive suppression mechanisms may differ across species, the presence of a similar queen-linked odorant suggests convergent chemical strategies for managing reproductive skew in eusocial mammals.

Overall, the research reframes reproduction control as a chemosensory-to-endocrine pathway: IPM activates olfactory–hypothalamic signalling, elevating prolactin and inhibiting GnRH release. This “social hormone” model offers a new principle for social evolution—chemical cues can synchronize behaviour and physiology at the scale of an entire mammal colony.

Subject of Research: Reproductive suppression and social hierarchy in eusocial mammals (naked mole-rats and related Fukomys species)

Article Title: A queen odour mediates reproductive suppression in a eusocial mammal

Article References:

Khallaf, M.A., Hart, D.W., Luo, W. et al. A queen odour mediates reproductive suppression in a eusocial mammal.
Nature (2026). https://doi.org/10.1038/s41586-026-10772-5

Image Credits: AI Generated

DOI: https://doi.org/10.1038/s41586-026-10772-5

Keywords: IPM; queen odour; reproductive suppression; prolactin; GnRH; olfaction; eusociality; functional ultrasound imaging; Fukomys

Google must give rival AI assistants and search engines greater access to key parts of Android and Google Search after the European Union ordered the company to comply with the bloc's digital antitrust rules.

The two decisions, handed down Thursday, could weaken Google's control over two of the tech industry's most important platforms and have far-reaching consequences for the company, shape the future of its AI tool Gemini, and open up new opportunities for rivals to gain ground. Google has until January 2027 to begin sharing search data and July 2027 to implement changes to Android.

The rulings stem from technical regulatory proceedings …

Read the full story at The Verge.

Conheça os novos trackers Tile com design Disney e garanta estilo e funcionalidade na proteção dos seus pertences importantes.

O post Trackers Tile ganham edição limitada temática de Mickey e Minnie da Disney apareceu primeiro em Blog do Edivaldo - Informações e Notícias sobre Linux.

Descubra como o HomePod AI vai transformar sua casa com inteligência, privacidade e automação avançada.

O post HomePod AI: a revolução da Apple na inteligência para casa inteligente apareceu primeiro em Blog do Edivaldo - Informações e Notícias sobre Linux.

Aumenta investimento da TSMC para até 12 fábricas no Arizona, prometendo mais chips para Apple, mas há motivos para cautela.

O post TSMC planeja até 12 fábricas de chips no Arizona, mas fique com um pé atrás apareceu primeiro em Blog do Edivaldo - Informações e Notícias sobre Linux.

Humans have been around for only about 0.01% of Earth’s history, yet we’ve altered natural landscapes and processes that have remained stable for millions of years. A team of researchers from the University of Glasgow recently studied a formerly sandy beach in the UK that highlights how fast these changes can occur.

Industrial steel and iron furnaces operated extensively in the UK from 1856 until the 1980s. During these decades, workers dumped roughly 335 million cubic meters (90 billion gallons) of molten furnace waste, called slag, across the country. Of that, roughly 27 million cubic meters (6 million gallons) now sits on the coast of Derwent Howe in a massive 30-meter (100-foot), solidified cliff. 

The researchers analyzed this region to understand how man-made, or anthropogenic, materials influence the way rocks form. Rocks naturally form and change into different types of rocks over million-year timescales, through a continuous process called the rock cycle. When the team uncovered a soda can tab manufactured in 1989 within the hardened grains, or clasts, of slag, they concluded that the beach had solidified within the last 35 years. Based on this discovery, they proposed a new term for rocks formed from anthropogenic sediments: the anthropoclastic rock cycle. 

The team collected 1,300 grains of sediment from 13 sites in the study area and found that 83% were slag. Natural beach sediments, like quartz sand, comprised only about 17% of the grains. As wind and waves broke down the cliff, slag clasts fell off and became rounded by friction as tides transported them from the cliff to the beach. 

At the boundary where the slag touched the beach, the researchers also saw evidence that the slag had seeped into the underlying wet sediment. The rocks there resembled a type of rock called peperite, which forms when lava flows over wet, loose sediments.  They concluded that this peperite-like rock formed as the molten slag flowed over the still sandy beach. Slag is much thicker than wet sand, so the resulting rock looked like blobs of slag encased in sandy rock. 

The researchers then visually observed how the slag grains were arranged in the solidified rock to reconstruct the tidewater speeds at different points in the coast’s history. The different ways sediments are arranged within a rock are called sedimentary features, and they reflect the processes that formed the rock. For example, as water flows over sand, it forms small, dune-like ripples. When the sand beds harden into rock, the ripples are preserved as features known as trough cross-bedding. 

Faster water erases any ripple formations and instead forms horizontal layers in the sediment, known as planar lamination. The researchers observed both trough cross-bedding and planar laminations preserved in the slag beach rocks. These sedimentary features indicate that the beach at Derwent Howe turned from loose sediment into rock in a generation. 

To investigate why this beach rapidly solidified, the researchers scanned the surfaces of the beach rock with electron beams and X-rays using a scanning electron microscope, or SEM, equipped with an energy dispersive X-ray, or EDX. Every chemical element emits a unique set of X-rays with different wavelengths when hit with EDX, so the researchers could compare the X-rays from their samples to databases of known mineral X-ray signatures. They identified the primary binding agents as calcium- and iron-rich minerals like calcite, goethite, and brucite. These minerals are called cements because they bind grains of sediment together. 

The researchers expected the slag to produce these cement compositions, since extracting metal ores from rock enriches the resultant slag in calcium, magnesium, manganese, and iron, which readily dissolve in water. When water flowing between closely packed slag grains can no longer hold additional dissolved elements, those elements precipitate as solid mineral cements. Since cements only form when the water has very high concentrations of dissolved elements, the introduction of massive amounts of slag caused the cement to form faster than it would in waters with lower concentrations of elements.

The researchers suspected that the anthropoclastic rock cycle they observed at Derwent Howe is not uncommon. Since slag contains all the elements necessary to form rocks when in contact with seawater and air, slag deposits all over the world could be rapidly influencing their local environments. With this in mind, the team suggested that future researchers update geological models to account for human contributions to the natural rock cycle. 

The post Industrial waste solidified a UK beach in just 35 years appeared first on Sciworthy.

A Google e a Epic Games retiraram esta semana o acordo que tinham alcançado para alterar uma decisão judicial nos Estados Unidos. A gigante tecnológica terá agora de abrir a Play Store a lojas de aplicações de terceiros a partir de 22 de julho.

The post Google abre Play Store a lojas de apps de terceiros nos Estados Unidos a partir deste mês appeared first on Tek Notícias.