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Few people with SNAP benefits could use them for online purchases before the COVID-19 pandemic. Urupong/ iStock via Getty Images Plus

Letting low-income Americans buy groceries online in 2020 with SNAP benefits decreased the share of people without enough food – new research

The share of low-income US families who sometimes or often didn’t have enough food to eat fell from 24.5% to 22.5% between late April and late July of 2020, a research team found.
Teachers had more negative comments about Black boys than they did about other groups. aldomurillo/E+ via Getty Images

We analyzed over 3.5 million written teacher comments about students and found racial bias

Teachers use tougher language when describing the misbehavior of Black children, new research shows.
Regular testing for HIV protects you and those around you. pixinoo/iStock via Getty Images Plus

HIV self-test kits are meant to empower those at risk − but they don’t necessarily lead to starting HIV treatment or prevention

Many people at heightened risk for HIV have never been tested. Those who have self-tested for HIV often don’t go on to receive care or change their sexual behavior.
Pilates is a form of mind-body exercise that involves weight resistance and strength training. Thomas Barwick/Stone via Getty Images

Aerobic and strength training exercise combined can be an elixir for better brain health in your 80s and 90s, new study finds

It’s long been known that exercise helps maintain strength and agility as we age. New research points to the importance of exercise type in supporting cognitive health in the latest decades of life.
Molecules are often separated by their size, shape or other properties. twomeows/Moment via Getty Images

Separating molecules is a highly energy-intensive but essential part of drug development, desalination and other industrial processes – improving membranes can help

Around half of US industrial energy use goes toward separating molecules in industrial processes. Developing materials that can withstand harsh industrial conditions can help increase efficiency.

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