Testing proportions is something researchers, marketers, and data analysts do all the time. Whether you're comparing click-through rates, testing vaccine effectiveness, or checking quality control ...

Chinese President Xi Jinping, who has linked child rearing with national progress, faces the challenge of slowing, if not halting, a looming demographic crunch. Newsweek reached out to the Chinese ...

A female crash-test dummy to replace an outdated model largely based on male proportions would improve safety for women, who face higher fatality and injury risks on the road, officials said. By Adeel ...

The U.S. Department of Transportation introduced a new female crash dummy as it seeks to step up safety for women, who face a higher injury risk in car crashes than men. The U.S. government has used a ...

A comet called 3I/ATLAS is making its closest approach to the sun today (Wednesday October 29)—but is it really an alien spacecraft as one prominent scientist has speculated? If 3I/ATLAS was a ...

EISENHÜTTENSTADT, Germany — Back behind the Iron Curtain, when this town 75 miles southeast of Berlin was called Stalinstadt, it was meant to be a blueprint for utopian life in Communist East Germany ...

Elon Musk claims that Tesla Robotaxi will cover half of the US population by the end of the year and we can’t stop laughing. Today, Tesla released its Q2 2025 financial results. Earnings are down 23% ...

The agency is cutting animal testing of chemicals. Some scientists are concerned, but in the meantime the rats (and zebra fish) need new homes. By Hiroko Tabuchi Employees at the Environmental ...

New York City’s population is growing again, according to Census Bureau estimates, part of a broader rebound in many areas that saw the largest losses in the pandemic’s early years. A key driver, ...

Abstract: Two-sample hypothesis testing is a common practice in many fields of science, where the goal is to identify whether a set of observations and a set of training data are drawn from the same ...

Between 2000 and 2022, the proportion of persons with complete higher education grew 2.7 times in the population aged 25 years and over: from 6.8% to 18.4%. In that period, the percentage of persons ...