💊 Scientists reveal how much exercise you really need to protect your heart

Adults may need far more weekly exercise than current guidelines recommend to achieve a major reduction in the risk of heart attack and stroke, according to findings from an observational study published online in the British Journal of Sports Medicine.

The researchers found that substantial cardiovascular protection was associated with 560 to 610 minutes of moderate-to-vigorous physical activity each week. That amount is roughly 3 to 4 times higher than the current public health recommendation of at least 150 minutes per week. Moderate-to-vigorous activities include brisk walking, running, and cycling.

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🇹🇷🇸🇦🇵🇰Turkey Says Mecca Defense Pact Could Be Widened to Include Egypt

A mutual defense pact between Turkey, Saudi Arabia and Pakistan could be expanded to include other regional states including Egypt, Turkey’s foreign minister said.

The regional powers signed the "Mecca Joint Defence Agreement" on Friday. In a ⁠joint statement, they said the accord intended to strengthen collective deterrence against any act of aggression and stipulates ​that an armed attack against any of the three would be regarded as an attack on all.

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⚡️🍎 Apple tests China's CXMT memory chips for iPhones and MacBooks

Apple has been testing ​memory chips from China's CXMT across ‌product lines including iPhones and MacBooks, to mitigate a component shortage fueled by ​the AI boom. Apple has held early talks with CXMT about supplying components with the goal of using them in some devices sold in China.

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🤖 New hydrogen engine achieves diesel-level performance for medium-duty vehicles

Researchers from the Southwest Research Institute (SwRI) have successfully developed an optimized spark-ignited hydrogen engine suitable for medium-duty commercial vehicles. As a form of internal combustion engine (ICE), the new engine behaves much more like a diesel engine than earlier hydrogen engines.

It is not a new kind of fuel-cell engine, but rather burns hydrogen inside cylinders using spark ignition. Just like a petrol engine, the new ICE produces mechanical propulsion using pistons. In terms of emissions, the engine produces what the team describes as “near-zero tailpipe CO₂.”

“In addition to decades of developing medium- and heavy-duty engines, SwRI has some of the most extensive experience in the world developing and testing H2-ICEs for internal research, clients and industry demonstrations,”— said Dr. Qilong Lu, a program manager in SwRI’s Powertrain Systems Engineering Department.

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🤖 Robot dogs in space? China intends to build its 2035 moon station with quadruped robots

The concept envisions three astronauts working alongside intelligent machines. China intends to integrate these new systems into its future space station, that they intend to complete in 2035.

As the crew explores the moon’s surface, one astronaut would direct two robot dogs across the landscape, while another collects rock samples and carries out detailed scientific work, according to a blueprint by researchers working on China’s lunar base.

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🤖 Anthropic is turning Claude Code’s auto mode on by default

Anthropic is turning Claude Code’s auto mode on by default Programming with Claude Code will soon require even less human oversight, as Anthropic says it’s making auto mode the default for Pro, Max, and Team accounts, starting on August 14.

"Auto mode is designed to balance users’ desire not to be interrupted with a system that helps avoid harmful actions: instead of prompts, it routes each tool call through a classifier targeted at blocking actions that are irreversible, destructive, or aimed outside your environment," — Anthropic wrote.

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🛰 Intel's proposed orbital data centers would manage thousands of simple LEO satellites

An Intel patent application describes an orbital data center architecture that moves some of the computing used to operate massive satellite constellations off the ground and into space.

The architecture proposes a two-tier satellite network in which a small number of more powerful satellites in higher orbits manage large constellations of relatively simple satellites in low-Earth orbit, handling much of the computing and constellation coordination normally performed by data centers and network operations centers on the ground.

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🇺🇸 US lab to hunt most elusive ‘ghost particles’ deep underground with automated triggers

One of the world’s most ambitious neutrino experiments, the Deep Underground Neutrino Experiment (DUNE), is being built to catch some of the universe’s most elusive particles, but finding those fleeting signals may soon involve AI.

As the massive detector takes shape a mile underground in South Dakota, researchers are developing AI systems to sort through huge amounts of data, identify neutrino interactions, spot signs of a stellar explosion and even detect problems inside the detector.

This could fundamentally change how scientists run a particle-physics experiment at DUNE’s scale. For instance, instead of waiting for conventional analysis to work through enormous amounts of data, AI could identify important events in near real time and direct researchers toward the signals most worth investigating.

“These approaches are going to really accelerate DUNE in terms of the commissioning process and the sensitivity of the experiment to reach our full discovery potential,” — Sowjanya Gollapinni, a representative from DUNE, said.

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🇨🇳 China bypasses shipping chokepoints with ‘Ice Silk Road’ through Arctic

A Chinese container shipping company named Sea Legend will launch its first regular shipping service through the Arctic, aiming to shorten the journey between Asia and Europe and access the Turkish and North African markets. The primary benefit of this shipping route is to cut the usual 40-day sailing time between the two ports by half.

The shipping service will connect Ningbo, China to Felixstowe, UK through the Northern Sea route across Russia’s Arctic coast. Dubbed the “Ice Silk Road”, the route evokes historical trading pathways that once linked China and Europe.

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⚡️🇬🇧UK Regulators Prepare Tokenised Gold Framework to Digitise Markets and Defend London's Bullion Dominance

The Financial Conduct Authority (FCA) has talked to industry members, including big banks, about ways it could regulate tokenised gold in order to encourage growth in the market. The tokenization of gold is the process by which digital tokens are created to represent ownership rights in physical gold, with the token issuer holding the gold as backing.

London dominates the global gold market with about 70% of trading volumes, according to industry body the World Gold Council, but it is facing competition from China, which is seeking to become a bullion hub. 

The FCA has been seeking feedback on how tokenised gold could be used as collateral in wholesale markets and it is expected to make an announcement on developing regulatory standards in this area in the next few months.

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👨‍⚖️ 'How to Kill a Federal Judge' author convicted of threatening US judges

A federal jury in St. Paul, Minnesota, found ‌Robert Phillip Ivers, 73, guilty on all three counts including writing and distributing a 236-page manuscript titled "How to Kill a Federal Judge", mailing threatening communications, and threatening to murder a federal judge.

The U.S. Marshals Service says it has recorded threats ⁠against 299 different judges in the current fiscal year. Federal prosecutors stepped in after library staff in Wayzata caught him printing copies of the manuscript and showing them around.

Apparently, printing a 236-page guide to killing judges at the local library didn’t strike him as remotely suspicious. 🤦‍♂️

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⚡️ Meta Releases Scaled-Down AI Model Consumers Can Use at Home

The new Muse Glimmer is a distilled version of the company’s Muse Spark 1.2 model, designed with a focus on efficiency to minimize system requirements. At 30 billion parameters, the Muse Glimmer is “small enough” to need only one graphics card to power its work, which will primarily involve agent-like AI tasks such as schedule management and file organization.

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🧠 China races to develop brain-computer interfaces that can be inserted in 10 minutes

Chinese start-ups and researchers are racing to bring BCIs to market that can be implanted in just a few minutes, as Beijing pushes to nurture home-grown players in the sector to compete with Elon Musk’s Neuralink.

StairMed Technology – one of the start-ups involved – “is developing a more minimally invasive way of delivering the device, entering through blood vessels in the neck and guiding it through the vascular system directly into the brain,” — said Zhao Zhengtuo, the company’s co-founder.

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