The tech battle between the U.S. and China has battered TikTok and Huawei and startled American companies that produce and sell in China. WSJ explains how Beijing is pouring money into high-tech chips as it wants to become self-sufficient.
Video/Illustration: George Downs/The Wall Street Journal
The coronavirus pandemic led to shortages in the blood supply across the U.S. Scientists around the world are working on a potential solution. The Future of Everything looks at the process of making artificial blood.
Illustration: Timothy Wong
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The principle behind these technologies is that collecting more data will help make us healthier. The message from experts I spoke with is that there’s potential in that idea, but it hasn’t been fulfilled yet.
NEW YORK TIMES (August 28, 2020): One big limitation of health devices, though, is that many people don’t know what to do with the data they see about their heart rate or how many hours they slept.
“We’re not doing a very good job of educating people what to do with that information. That’s the piece that’s missing,” said John Jakicic, the director of the Healthy Lifestyle Institute at the University of Pittsburgh. (Side note: For some people, having data on their sleep might actually be counterproductive.)
Ben Boudreaux, policy researcher with the RAND Corporation, describes how contact tracing can be used to track the spread of COVID-19 and explains the differences between manual and automated contact tracing.
Get more insights from RAND on the COVID-19 pandemic: https://www.rand.org/latest/covid-19….
The Chinese fintech titan Ant Group—co-founded by Alibaba billionaire Jack Ma—is set to go public in what could be one of the largest listings ever. WSJ explains how Ant’s backbone service, Alipay, has revolutionized payments and investing in the world’s most populous country.
Photo Composite: Crystal Tai
Blazing fast 5G speeds are here but they aren’t all that useful on the new 5G smartphones. WSJ’s Joanna Stern packed up a motor home to see if the connection could power all her connected gadgets, including laptops, printers, Xboxes and camera-equipped doorbells. She explains the confusing world of 5G along the way.
Photo illustration: Sharon Shi
Overall, the algorithm correctly identified the presence of diabetes in up to 81 percent of patients in two separate datasets. When the algorithm was tested in an additional dataset of patients enrolled from in-person clinics, it correctly identified 82 percent of patients with diabetes.
In the Nature Medicine study, UCSF researchers obtained nearly 3 million PPG recordings from 53,870 patients in the Health eHeart Study who used the Azumio Instant Heart Rate app on the iPhone and reported having been diagnosed with diabetes by a health care provider. This data was used to both develop and validate a deep-learning algorithm to detect the presence of diabetes using smartphone-measured PPG signals.
Among the patients that the algorithm predicted did not have diabetes, 92 to 97 percent indeed did not have the disease across the validation datasets. When this PPG-derived prediction was combined with other easily obtainable patient information, such as age, gender, body mass index and race/ethnicity, predictive performance improved further.
The Detroit News (Aug 13, 2020)— Michigan is angling to build a first-in-the-nation connected and autonomous vehicle corridor in the state’s southeast corner, the latest bid to ensure the region remains the epicenter of an auto industry moving rapidly into a technology-driven future.
Local and state government officials, members of Michigan’s congressional delegation, Ford Motor Co. executives and project developer Cavnue confirmed plans Thursday for a roadway that would stretch from downtown Detroit to Ann Arbor. Along the way, it would connect to such key milestones as the American Center for Mobility in Ypsilanti, the University of Michigan in Ann Arbor and would parallel parts of Interstate 94 to Detroit Metropolitan Airport.
The roadway would be publicly accessible and could feature both public transit and shared mobility options. It will be called the “Michigan Connected Corridor,” officials confirmed, sharpening a vision Ford shared when it acquired the historic train station two years ago.
Arizona has what researchers call “the climate of tomorrow, today.” Scientists are using a 30-ton robotic field scanner in the state to study plant genetics and hopefully develop stress-resilient crops.
Photo: Jesse Rieser for The Wall Street Journal
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