Science & Technology

Europe’s Proposed Limits on AI Would Have Global Consequences

The European Union proposed rules that would restrict or ban some uses of artificial intelligence within its borders, including by tech giants based in the US and China.The rules are the most significant international effort to regulate AI to date, covering facial recognition, autonomous driving, and the algorithms that drive online advertising, automated hiring, and…

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A Submarine Is Missing, With 53 on Board

A helicopter spotted an oil spill near the location where the submarine was granted clearance to dive.Lost ContactIndonesia’s navy says it has completely lost contact with a submarine with 53 people on board, NBC News reports.The vessel, the 44-year-old German-built KRI Nanggala 402, was involved in a training exercise when it went missing north of…

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        This is your brain on Zoom

        We all know these constant video calls are doing something to our brains. How else could we get tired and frazzled from sitting around in our own home all day? Well, now Microsoft has done a little brain science and found out that yeah, constant video calls do increase your stress and brain noise. Tell…

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            Instagram launches tools to filter out abusive DMs based on keywords and emojis, and to block people, even on new accounts

            Facebook and its family of apps have long grappled with the issue of how to better manage — and eradicate — bullying and other harassment on its platform, turning both to algorithms and humans in its efforts to tackle the problem better. In the latest development, today, Instagram is announcing some new tools of its…

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              Early Coinbase backer Garry Tan is keeping the “vast majority” of his shares because of this deal

              A week after the cryptocurrency exchange Coinbase staged a direct listing, much of the focus remains on the wealth that the listing generated for executives at the company, its board members, and its private investors. Citing data from Capital Market Laboratories, Cointelegraph on Monday noted, for example, that 12,965,079 shares worth close to $5 billion…

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                  High-Tech Climate Intervention: A Sun Reflector to Cool Earth?

                  An international climate intervention workgroup publishes paper exploring the potential risks and benefits of a proposed high-tech climate intervention. Nine of the hottest years in human history have occurred in the last decade. Without a major shift in this climate trajectory, the future of life on Earth is in question. Should humans, whose fossil-fueled society…

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                    Medical Cannabis Products Are Not Always What They Seem

                    THC and CBD Content on Labels of Medicinal Cannabis Products Can Be Very Inaccurate A study of metabolites in the urine of patients taking medical cannabis products shows that the actual THC or CBD content is often different from what they expect. Medical cannabis products are not always what they seem, according to a new…

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                        How Do Birds Breathe Better? Researchers’ Loopy Discovery

                        A “spherical chicken” approximation to the bird lung showing how the back-and-forth air motions during inhalation (blue arrows) and exhalation (red) lead to one-way flow (purple) around the loop. The mechanism relies on flows near the junctions in the lung network and especially the marked difference during the phases of breathing. Credit: NYU’s Applied Mathematics…

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                        The US Army Is Testing a Powered Exoskeleton

                        These unique boots could allow soldiers to carry heavily loaded rucksacks without getting tired.ExoBootThe US Army is testing out a pair of powered exoskeleton boots called the Dephy ExoBoot, which could soon allow soldiers to carry heavily loaded rucksacks with ease over long distances.The ExoBoot has an internal computer and sensors that glean information about…

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                        The Agency In Charge of the Nukes Just Tweeted Something Alarming

                        What is going on with this account?Sorry, WhatThe US Strategic Command (STRATCOM), the division of the military responsible for managing the country’s stockpile of nuclear weapons, sent out an alarming message on Monday.“The spectrum of conflict today is neither linear nor predictable,” the agency tweeted. “We must account for the possibility of conflict leading to…

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                        Scientists Warn of “Oxygen False Positives” in Search for Signs of Alien Life on Other Planets

                        By varying the initial inventory of volatile elements in a model of the geochemical evolution of rocky planets, researchers obtained a wide range of outcomes, including several scenarios in which a lifeless rocky planet around a sun-like star could evolve to have oxygen in its atmosphere. Credit: Illustration by J. Krissansen-Totton Oxygen in the atmosphere…

                        All the tech crammed into the 2022 Mercedes-Benz EQS

                        Mercedes-Benz lifted the final veil Thursday on its flagship EQS sedan after weeks of teasers, announcements and even a pre-production drive in which TechCrunch participated. The company peeled off the camouflage of the EQS — the electric counterpart to the Mercedes S Class — and revealed an ultra-luxury and tech-centric sedan. The exterior is getting…

                        New “Time Machine” Technique Unveiled to Measure Cells

                        Dendritic cells (co-stained Red/green) in a lymphoid follicle (peyer’s patch) draining the intestine (blue). Credit: Wang Cao and Shengbo Zhang, WEHI Using a new single-cell technique, WEHI researchers have uncovered a way to understand the programming behind how stem cells make particular cell types. The research uncovered 30 new genes that program stem cells to…

                        Twitter bans James O’Keefe of Project Veritas over fake account policy

                        Twitter has banned right-wing provocateur James O’Keefe, creator of political gotcha video producer Project Veritas, for violating its “platform manipulation and spam policy,” suggesting he was operating multiple accounts in an unsanctioned way. O’Keefe has already announced that he will sue the company for defamation. The ban, or “permanent suspension” as Twitter calls it, occurred…

                        Daily Crunch: Google Earth gets an update

                        Google Earth gives users a new look at a changing planet, Facebook tests new business discovery features and Autodesk acquires Upchain. This is your Daily Crunch for April 15, 2021. The big story: Google Earth gets an update Google is describing this as Google Earth’s biggest update since 2017, though there’s really just one major…

                        Paleontologists Stunning Conclusion: 2.5 Billion T. Rexes Roamed North America Over the Cretaceous Period

                        Analysis of what’s known about the dinosaur leads to conclusion there were 2.5 billion over time. How many Tyrannosaurus rexes roamed North America during the Cretaceous period? That’s a question Charles Marshall pestered his paleontologist colleagues with for years until he finally teamed up with his students to find an answer. What the team found,…

                        Part-human, part-monkey embryos grown in lab dishes

                        Home News (Image credit: Weizhi Ji, Kunming University of Science and Technology) Scientists injected dozens of human stem cells into developing monkey embryos, and the resulting hybrids survived for up to 20 days in lab dishes.These human-monkey embryos could someday serve as helpful models for human disease, embryonic development and aging, the study authors noted…

                        Satellite View: Fierce Fire Season Rages in Nepal

                        April 5, 2021 After an unusually dry winter, forest fires have raged throughout the mountainous country. Seasonal fires, lit to manage farmland and pastures, are common in Nepal in March and April. In 2021, the fires grew particularly extreme, as many spread and burned uncontrolled through forests. Months of unusually dry weather has parched vegetation…

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