Drawing from multiple sources, this summary highlights key developments: Google's unified Android and ChromeOS, "Aluminium OS," may face delays until 2028, according to leaked documents, while the Tesla Model S concludes its 14-year production run after revolutionizing the EV market, and the Nintendo Switch 2 has sold over 17 million units since its release.

Drawing from multiple sources, this summary highlights key developments: Google's unified Android and ChromeOS, "Aluminium OS," may face delays until 2028, according to leaked documents, while the Tesla Model S concludes its 14-year production run after revolutionizing the EV market, and the Nintendo Switch 2 has sold over 17 million units since its release.

Based on multiple reports, enterprises are recognizing retrieval as crucial infrastructure for Retrieval-Augmented Generation (RAG) systems due to risks associated with failures, while a novel infrared-activated hydrogel inspired by immune defenses shows promise in combating resistant bacteria and promoting wound healing in animal models, potentially addressing the global issue of antibiotic resistance.

Based on multiple reports, enterprises are recognizing retrieval as crucial infrastructure for Retrieval-Augmented Generation (RAG) systems due to risks associated with failures, while a novel infrared-activated hydrogel inspired by immune defenses shows promise in combating resistant bacteria and promoting wound healing in animal models, potentially addressing the global issue of antibiotic resistance.

New economic research presented at the American Economic Association's annual meeting, along with commentary in Nature, explores topics ranging from economic opportunity and the accuracy of government data to the pandemic's inflationary effects and the importance of quality PhD supervision. Synthesizing these sources reveals emerging ideas in economics and highlights the need for intellectual challenge and strategic guidance in doctoral education.

New economic research presented at the American Economic Association's annual meeting, along with commentary in Nature, explores topics ranging from economic opportunity and the accuracy of government data to the pandemic's inflationary effects and the importance of quality PhD supervision. Synthesizing these sources reveals emerging ideas in economics and highlights the need for intellectual challenge and strategic guidance in doctoral education.

YouTube is now enforcing its Premium subscription requirement for background playback on mobile devices, closing a loophole previously exploited by users of browsers like Brave and Edge. This change, intended to ensure consistent functionality across platforms, impacts users who previously enjoyed background audio without a Premium subscription and may drive more users to subscribe. The move has sparked user frustration and workarounds are being explored.

YouTube is now enforcing its Premium subscription requirement for background playback on mobile devices, closing a loophole previously exploited by users of browsers like Brave and Edge. This change, intended to ensure consistent functionality across platforms, impacts users who previously enjoyed background audio without a Premium subscription and may drive more users to subscribe. The move has sparked user frustration and workarounds are being explored.

Multiple news sources report that the ICC Men's T20 World Cup begins on February 7th with 20 teams competing, including co-hosts England and the West Indies, who are aiming for their third title. India, the defending champions, will be led by Suryakumar Yadav after Rohit Sharma's retirement from the T20 format.

Multiple news sources report that the ICC Men's T20 World Cup begins on February 7th with 20 teams competing, including co-hosts England and the West Indies, who are aiming for their third title. India, the defending champions, will be led by Suryakumar Yadav after Rohit Sharma's retirement from the T20 format.

Drawing from multiple news sources, the impending expiration of the New START treaty, the last nuclear arms control pact between the US and Russia, is heightening tensions. A Russian official warned that if the US deploys its "Golden Dome" missile defense program to Greenland, Russia will respond with military measures, further complicating the already strained relationship between the two nations.

Drawing from multiple news sources, the impending expiration of the New START treaty, the last nuclear arms control pact between the US and Russia, is heightening tensions. A Russian official warned that if the US deploys its "Golden Dome" missile defense program to Greenland, Russia will respond with military measures, further complicating the already strained relationship between the two nations.

Drawing from multiple news sources, the world is grappling with geopolitical instability, social debates, and rapidly advancing AI risks that are outpacing mitigation efforts, as highlighted in a new international report. Meanwhile, a leaked guide is empowering community organizers with secure communication strategies via Signal, and the Milan Cortina 2026 Winter Olympics offer a positive counterpoint amidst these complex global challenges.

Drawing from multiple news sources, the world is grappling with geopolitical instability, social debates, and rapidly advancing AI risks that are outpacing mitigation efforts, as highlighted in a new international report. Meanwhile, a leaked guide is empowering community organizers with secure communication strategies via Signal, and the Milan Cortina 2026 Winter Olympics offer a positive counterpoint amidst these complex global challenges.

Planet Money attended the American Economic Association's annual conference, a major event for economists, to get a sneak peek at cutting-edge research. They highlighted several pre-peer review papers, including one exploring the productivity impacts of AI in American industries, suggesting AI initially slows productivity before ultimately accelerating it. This is based on observations and discussions with economists at the conference.

Planet Money attended the American Economic Association's annual conference, a major event for economists, to get a sneak peek at cutting-edge research. They highlighted several pre-peer review papers, including one exploring the productivity impacts of AI in American industries, suggesting AI initially slows productivity before ultimately accelerating it. This is based on observations and discussions with economists at the conference.

Multiple news sources highlight two key developments: a leaked guide offering community organizers advice on using Signal's privacy features for secure communication and a new international report, backed by numerous countries except the US, warning that AI risks are growing faster than mitigation efforts. The AI report, guided by 100 experts, emphasizes the need for global collaboration to address these challenges, while the Signal guide aims to protect activists' digital rights.

Multiple news sources highlight two key developments: a leaked guide offering community organizers advice on using Signal's privacy features for secure communication and a new international report, backed by numerous countries except the US, warning that AI risks are growing faster than mitigation efforts. The AI report, guided by 100 experts, emphasizes the need for global collaboration to address these challenges, while the Signal guide aims to protect activists' digital rights.

Drawing from multiple news sources, Detective Sergeant Chris Johnson of Bartlett, Illinois, experienced a life-threatening aortic dissection, a rare and often fatal condition involving a tear in the body's main artery. Thanks to his wife's quick action and rapid medical response, including a six-hour open-heart surgery, Johnson survived the ordeal, highlighting the critical importance of timely treatment for this condition.

Drawing from multiple news sources, Detective Sergeant Chris Johnson of Bartlett, Illinois, experienced a life-threatening aortic dissection, a rare and often fatal condition involving a tear in the body's main artery. Thanks to his wife's quick action and rapid medical response, including a six-hour open-heart surgery, Johnson survived the ordeal, highlighting the critical importance of timely treatment for this condition.

Multiple news sources report that Júnior Pena, a Brazilian influencer and Trump supporter who has lived in the US since 2009, was arrested by ICE in New Jersey after falsely claiming that migrants being detained were all criminals, despite previously urging Brazilians to remain calm amid immigration crackdowns. Pena, known for his social media content reflecting a migrant's perspective and criticism of Brazil's president, was detained after missing a court hearing, and his lawyer is working to prevent his transfer.

Multiple news sources report that Júnior Pena, a Brazilian influencer and Trump supporter who has lived in the US since 2009, was arrested by ICE in New Jersey after falsely claiming that migrants being detained were all criminals, despite previously urging Brazilians to remain calm amid immigration crackdowns. Pena, known for his social media content reflecting a migrant's perspective and criticism of Brazil's president, was detained after missing a court hearing, and his lawyer is working to prevent his transfer.

Multiple news sources report on the release of over 3 million Jeffrey Epstein files by the Justice Department, revealing a network of powerful figures and sparking controversy over the unredacted release of victims' names and images. Additionally, U.S. Special Envoy Steve Witkoff is set to reopen nuclear negotiations with Iran in Turkey, aiming to de-escalate regional tensions.

Multiple news sources report on the release of over 3 million Jeffrey Epstein files by the Justice Department, revealing a network of powerful figures and sparking controversy over the unredacted release of victims' names and images. Additionally, U.S. Special Envoy Steve Witkoff is set to reopen nuclear negotiations with Iran in Turkey, aiming to de-escalate regional tensions.