Download April 19, 2022: New colonial AI and aging clocks

This is today’s editiondownload,Our weekday newsletter that provides a daily dose of what’s going on in the tech world. South Africa’s private surveillance machine is fueling a digital apartheid The thriving mega-city of Johannesburg, once home to Nelson Mandela and Desmond Tutu, is now spawning a unique South African surveillance model. Over the past five […]

Aging clocks aim to predict how long you will live

Most aging clocks estimate a person’s biological age based on patterns of epigenetic markers, specifically chemical tags called methyl groups that are layered on DNA and affect how genes are expressed. The pattern of this methylation at thousands of sites in DNA appears to change as we age, although it’s not clear why. Some clocks […]

Social media’s 70s ‘grandfluencers’ debunk aging myths

NEW YORK (AP) — Joan MacDonald was 71 years old. He was overweight and was on multiple medications, including high cholesterol, elevated blood pressure, and kidney problems. His daughter, who is a fitness coach, warned she would be injured if she didn’t turn things around. She hit the gym for the first time and learned […]

2 Sinkholes a Week Signals Weaknesses in NYC’s Aging

According to Terry West, an emeritus professor of engineering geology at Purdue University, urban sinkholes usually begin when the sand and gravel under the pavement erodes due to an underground seepage. As the soil crumbles, a chasm grows under the road until the pavement collapses. Professor West said the process often takes years, but severe […]