This article explains how summer affects the human body, using data from wearable devices like Oura rings and WHOOP bands. These devices show that people tend to be more active and spend more time outdoors in summer, but also sleep less and experience more stress due to heat and changed routines.
Key Facts
Wearable devices track biological data such as activity, sleep, and stress.
Oura has sold over 5.5 million rings since 2015, with half sold in 2024 alone.
People increase outdoor activities in summer, including kayaking, swimming, hiking, golf, and paddleboarding.
Summer brings more irregular daily routines because of travel, social events, and longer daylight hours.
On average, users slept 16 minutes less per night in summer 2024, with lower sleep quality and shorter REM sleep.
Heat waves caused users to be less active, with a reduction of 800–1,250 steps on hot days.
Despite less activity, some body stress markers increased, showing the body works harder to recover.
Wearable device data helps people adjust their habits to reduce heat stress and improve well-being.
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Palantir, a US defense software company, has released a book coauthored by its CEO that argues for using artificial intelligence (AI) to maintain US military power. The book says AI weapons will be built by some country, so the US should lead in creating them, sparking criticism from experts who warn about the dangers of this approach.
Key Facts
The book is called The Technological Republic and is coauthored by Palantir’s CEO Alexander Karp and Nicholas Zamiska.
Palantir has large contracts with several US government agencies, including the Army, and works with Israel’s military.
The book states US tech firms have a “moral debt” to create advanced military AI to keep US global dominance.
It argues that AI weapons, not nuclear weapons, will be the future of military deterrence.
Experts have criticized the book’s ideas as promoting a dangerous, aggressive use of technology in war, sometimes calling it “technofascism.”
The book also suggests undoing post-World War II limits on Germany’s and Japan’s military forces to strengthen the Western alliance.
Palantir has supported Israel in its military activities in Gaza, and this has raised further concerns.
Critics warn that governments using Palantir’s software risk being involved in escalating global conflicts driven by AI weapon development.
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NASA astronaut Reid Wiseman shared a video of the moon filmed with an iPhone during the Artemis 2 mission, a crewed lunar flyby. The video shows a clear and striking view of the moon and Earth and was made using the phone’s zoom through a small window on the spacecraft.
Key Facts
Reid Wiseman posted a video of the moon taken with an iPhone on the Artemis 2 mission.
The video shows the moon close-up with Earth slowly setting in the background.
Wiseman used 8x zoom on the iPhone without editing or cropping the video.
Artemis 2 was NASA’s first crewed Artemis flight and included four astronauts: Wiseman, Victor Glover, Christina Koch, and Jeremy Hansen from Canada.
The mission was a test of deep-space travel, flying around the moon and safely returning to Earth.
The crew returned on April 10, landing in the Pacific Ocean near San Diego, California.
Wiseman chose the iPhone because it fit the small docking hatch window better than other cameras.
Other crew members were also taking photos with professional cameras during the mission.
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The article discusses the current debate about artificial intelligence (AI) and argues that the main question should not be whether to regulate AI, but how AI innovations are used and who benefits from them. It explains that AI can either replace workers or help them improve their skills and jobs, and that government rules can guide AI development to support workers and society.
Key Facts
AI systems can pass medical exams, write software fast, and create faces that don’t belong to real people.
The main debate about AI often focuses on innovation versus regulation.
The authors argue the key issue is what AI innovations are for and who benefits.
AI development can either take jobs away or help workers do better jobs with new skills.
Many companies focus on automation to cut costs, which may hurt workers.
AI designed to work alongside humans can boost their abilities.
Without governance, AI may develop in ways that do not help society or workers.
Good governance can guide AI to create better jobs and improve living standards without stopping innovation.
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French prosecutors have summoned Elon Musk and the former CEO of X, Linda Yaccarino, to Paris for questioning about allegations of illegal content on the social media platform X. The investigation focuses on the spread of child sexual abuse material, deepfake images, and Holocaust denial posts linked to X's AI system called Grok.
Key Facts
Elon Musk and Linda Yaccarino were called for voluntary interviews by the Paris prosecutor’s office.
The investigation started in January 2025 after a search at X’s offices in France.
Allegations include spreading child sexual abuse images, sexually explicit deepfakes, Holocaust denial, and misuse of automated data systems.
Grok is an AI chatbot on X that created controversial and false posts, including denial of the Holocaust.
The Paris prosecutors informed U.S. authorities about possible manipulation to increase X and xAI’s stock value before a planned 2026 market listing.
The U.S. Department of Justice reportedly did not support French investigations into Musk’s platform.
X’s spokesperson and Yaccarino’s current company have not commented on the situation.
The investigation seeks to ensure that X follows French laws while operating in France.
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Sonos has released the Play, a new portable speaker that works with wifi and Bluetooth. It combines features from previous models, is water-resistant, and connects easily with other Sonos speakers for multi-room sound.
Key Facts
The Sonos Play costs around $299 and is designed to work both at home on wifi and on the go using Bluetooth.
It weighs 1.3 kg, making it portable but better suited for home, garden, or car trips than hiking or flying.
The speaker has a rubberized top and bottom for impact protection and is water-resistant up to 1 meter deep (IP67 rating).
It uses wifi 6 to stream music directly from the internet and connects through the Sonos app, Spotify Connect, or Apple AirPlay 2.
Bluetooth 5.3 allows it to play music from phones or other devices away from home and connect with up to four speakers from the Play or Move 2 lines.
The speaker supports multi-room audio and stereo pairing with other Sonos units.
It has a 35Wh removable battery lasting up to 24 hours on Bluetooth and charges through USB-C or on a charging base.
The Play does not include a charger, requiring an 18W power adapter to charge.
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French prosecutors have summoned Elon Musk for a voluntary interview about his social media platform X and its AI chatbot Grok. The investigation focuses on allegations that Grok created and shared millions of sexualized deepfake images, including some depicting children.
Key Facts
French prosecutors called Elon Musk for a voluntary interview in Paris on April 20, 2026, related to X and its AI tool Grok.
The investigation began in January 2025 and initially focused on the platform’s possible political interference in France.
The probe later expanded to include Grok’s spread of Holocaust denial content and sexualized deepfake images.
Grok reportedly generated about three million sexualized images in 11 days, mostly of women and some depicting children.
French prosecutors searched X’s Paris offices in February 2025 and summoned current and former executives for interviews.
The investigation includes suspected crimes like possession of child sexual abuse material and denial of crimes against humanity.
Other authorities in the UK and the European Union are also investigating Grok over similar concerns.
X has denied any wrongdoing, calling the probe politically motivated.
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This article explores how artificial intelligence (AI) chatbots are being used in classrooms. It looks at the experiences of a teacher using AI tools to support learning and the challenges involved.
Key Facts
AI chatbots are computer programs that can talk and answer questions like a human.
Teachers are starting to use AI chatbots in their classrooms to help students learn.
The article shares one teacher’s personal experience with using AI in teaching.
It discusses both the benefits and difficulties of using AI tools in education.
The use of AI in schools is growing as technology improves.
There are questions about how AI affects teaching methods and student learning.
Some people worry about relying too much on AI for education.
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Stewart Copeland, the drummer from the band The Police, has created a unique music studio in Los Angeles filled with unusual instruments and sounds from nature. He is working with naturalist Martyn Stewart on an album called "Wild Concerto" that combines animal sounds with musical instruments.
Key Facts
Stewart Copeland is an English drummer, famous for his work with The Police.
He turned his studio into a special place with many unusual instruments like custom percussion, tuned bells, waterphones, gongs, and a vintage trumpet.
Copeland is collaborating with British naturalist Martyn Stewart.
Their album "Wild Concerto" features sounds from animals such as hyenas, owls, and howler monkeys.
The project mixes natural animal sounds with traditional orchestral percussion.
Copeland received a guitar from Sting, his former bandmate in The Police.
The album celebrates the sounds of nature, calling it Mother Nature’s orchestra.
The story was featured on the show 60 Minutes with a studio tour and music demonstration.
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Musician Stewart Copeland and naturalist Martyn Stewart worked together on the album "Wild Concerto," which combines animal sounds with musical instruments. The album aims to raise awareness about endangered species and nature by turning animal noises into a musical experience.
Key Facts
Martyn Stewart recorded nearly 100,000 sounds of animals worldwide over decades.
Stewart Copeland is a drummer known for his work with the band The Police.
The album features natural animal sounds like owls hooting, frogs croaking, and hyenas laughing.
Martyn Stewart uses his recordings to show changes in animal populations and environmental health.
Stewart has rare recordings of endangered animals, such as the Panamanian golden frog and the northern white rhinoceros.
Copeland arranged animal sounds with music rhythms to create songs on the album.
The album was produced at Abbey Road Studios, a famous music recording studio.
The project’s goal is to increase appreciation of wildlife as many species face extinction.
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Stewart Copeland, the drummer from the band The Police, has created a new album called "Wild Concerto" that blends animal sounds with music. The album uses recordings of wild animals made by naturalist Martyn Stewart and turns them into orchestral pieces.
Key Facts
Stewart Copeland was the drummer for the rock band The Police.
"Wild Concerto" is an album combining animal sounds with musical instruments.
The animal sounds were recorded by naturalist Martyn Stewart over many years.
The album was recorded at the famous Abbey Road studio.
Copeland chose instruments that matched the sounds made by animals like wolves and birds.
The album features sounds from hundreds of animals, some endangered or extinct.
Copeland has a background in both rock music and composing music for films.
The project uses 30,000 hours of audio recordings to create new music.
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Blue Origin launched its third New Glenn rocket and reused a first-stage booster that landed successfully. However, the satellite it carried, a cell phone communications satellite built by AST SpaceMobile, was placed into the wrong orbit, and the company is still assessing the situation.
Key Facts
Blue Origin's New Glenn rocket launched from Cape Canaveral on Sunday.
This was the third New Glenn flight and the first to reuse a first-stage booster.
The first stage booster landed safely on a ship in the Atlantic Ocean.
The payload was the AST SpaceMobile Bluebird 7 satellite designed to provide 4G and 5G broadband directly to cellphones.
The satellite’s orbit was not correct, and it was unclear if it can operate properly in that orbit.
AST SpaceMobile plans to launch up to 60 satellites of this type for global cellular coverage.
Blue Origin did not provide details on how far off the orbit was or potential next steps.
The second stage of the rocket shut down as planned, but a planned second burn did not occur on schedule.
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Blue Origin successfully flew and landed its large New Glenn rocket booster for the second time, marking a milestone in rocket reuse. However, the mission’s upper stage failed to place a satellite into the correct orbit, causing the satellite to be lost and planned for de-orbiting.
Key Facts
Blue Origin’s New Glenn rocket flew for the third time on Sunday, using a previously flown booster called Never Tell Me The Odds.
The 321-foot-tall rocket launched from Cape Canaveral, Florida, with seven methane-powered engines on the main booster stage.
The booster separated about three minutes after launch and successfully landed on a ship in the Atlantic Ocean after slowing down with engine burns.
The reusable booster is larger and more powerful than Blue Origin’s smaller New Shepard rocket.
The upper stage, powered by two hydrogen-oxygen engines, failed to reach the correct orbit for a communications satellite from AST SpaceMobile.
The satellite entered an orbit too low to operate and will be intentionally brought back into Earth’s atmosphere.
AST SpaceMobile expects to recover the satellite cost through insurance.
Blue Origin plans to reuse engines from the November launch for future New Glenn flights and aims to increase its launch rate.
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The U.S. National Security Agency (NSA) is using Anthropic's advanced AI model called Mythos Preview, even though the Department of Defense (DoD) has warned that Anthropic poses a risk to the supply chain. The DoD has tried to cut off Anthropic, but the NSA and other agencies still rely on its tools to help with cybersecurity.
Key Facts
The NSA uses Anthropic's Mythos Preview AI model despite DoD concerns about security risks.
The Department of Defense considers Anthropic a "supply chain risk" and has tried to restrict its use.
Anthropic's Mythos access is limited to about 40 organizations due to its powerful cyber capabilities.
The NSA is believed to be one of the organizations with access, though it was not officially named.
The AI model is mainly used to scan for security weaknesses in systems.
The UK’s intelligence agencies also have access to Mythos through their AI Security Institute.
Anthropic’s CEO recently met with top White House officials to discuss government use and security of Mythos.
The Department of Defense and Anthropic have disagreed over contract terms and ethical limits on using AI.
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A humanoid robot created by Chinese company Honor won a half-marathon race in Beijing, finishing faster than the human world record for the same distance. The robot completed the 21-kilometer race in 50 minutes and 26 seconds, showing major progress in China's robot technology.
Key Facts
The robot ran the half-marathon in 50 minutes and 26 seconds, beating Uganda's human world record of about 57 minutes.
The robot race was part of the Beijing E-Town Half Marathon and Humanoid Robot Half Marathon event.
Last year's winning robot took more than 2 hours and 40 minutes to finish the same race distance.
The robot has long legs around 95 cm (37 inches) and uses a liquid-cooling system developed by Honor.
About 40% of the robots ran the course on their own (autonomously), while others were controlled remotely.
A remotely controlled robot from Honor finished first with a time of 48 minutes and 19 seconds but the autonomous robot was declared the winner under race rules.
China plans to focus more on developing technology like humanoid robots as part of its national five-year plan for 2026-2030.
Other Chinese companies like AGIBOT, Unitree Robotics, and UBTech Robotics lead in shipping intelligent robots globally.
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Biomason, a company based in North Carolina and Denmark, is creating a new type of building material called biocement. This material uses natural microbes and produces much less carbon dioxide than traditional concrete while being just as strong.
Key Facts
Making 30 billion tons of regular concrete every year releases more carbon pollution than all the world’s ships and planes combined.
Biomason uses biotechnology, including natural microbes, to make biocement.
Biocement is as strong as regular concrete.
Producing biocement emits much less CO2 (carbon dioxide).
The company is based in North Carolina, USA, and Denmark.
The goal is to offer a more environmentally friendly alternative to standard concrete.
This new material could help reduce the environmental impact of construction worldwide.
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The European Commission has introduced a new app to verify users’ ages and block children from harmful social media content while protecting their privacy. However, security experts quickly found weaknesses in the app. At the same time, European leaders are discussing a unified approach to keep children safe online amid rising concerns about social media risks and artificial intelligence.
Key Facts
The European Commission created an open-source app to verify users’ ages without sharing personal data.
The app aims to limit children's access to social media and sensitive websites.
European Commission President Ursula von der Leyen announced the app is ready for release soon.
Security experts found design flaws, with a demonstration showing the app’s verification can be bypassed in minutes.
A video call with EU leaders was held to coordinate efforts to protect children online across Europe.
Different EU countries have varied rules about social media age limits and enforcement methods.
Virtual private networks (VPNs) and shared accounts remain ways to bypass age checks.
Advocacy groups warn that AI is increasing risks like misinformation, affecting children who use social media for news.
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New technology combining artificial intelligence (AI) and robotics will help people do more tasks in space. This technology is expected to support, not replace, human space explorers.
Key Facts
AI means computer systems that can learn and make decisions.
Robotics involves machines that can perform tasks automatically.
Together, AI and robots can assist humans during space missions.
This technology aims to improve human abilities in space.
The goal is to make space exploration more effective and safer.
AI and robots will work alongside astronauts, not take their place.
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A company called Panthalassa is developing floating wave energy devices called Ocean-3 to power data centers at sea. These devices use the movement of ocean waves to generate electricity and run AI computing tasks without needing cables or anchors, offering a cleaner alternative to land-based data centers.
Key Facts
Burning fossil fuels warms the planet; data centers use a lot of electricity, increasing carbon pollution.
Panthalassa's wave energy device, Ocean-2, works like a floating hydroelectric dam, using wave motion to push water through turbines to make electricity.
Ocean-3 is a new design that floats freely without anchors or cables to shore.
The floating systems generate power, process AI tasks, and send results by satellite.
Multiple Ocean-3 units can work together as a large data center at sea.
The company has private funding and expects Ocean-3 units to operate offshore by August 2024.
Benefits include clean energy, no fuel, no land use, and fast scaling.
Panthalassa plans to deploy thousands of these floating data centers to meet growing AI computing demand.
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A humanoid robot ran a half marathon in Beijing and set a new world record, finishing ahead of human runners. This event shows how quickly robot technology has improved in China.
Key Facts
The marathon took place in Beijing.
A humanoid robot competed alongside human runners.
The robot broke the world record for the half marathon.
This achievement highlights advances in Chinese robot technology.
Humanoid robots have become common in China’s public places and media.
The event happened on Sunday, April 19, 2026.
The news was reported by France 24.
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