All Things Considered

Kindergartner Allyson Zavala joined with other students and school superintendent Austin Buetner for a class selfie in April inside teacher Alicia Pizzi's classroom at Maurice Sendak Elementary School in North Hollywood, Calif. Robert Gauthier/Los Angeles Times via Getty Images hide caption

With the delta variant surging, "All people 12 years and older, including people who are pregnant, breastfeeding, or trying to get pregnant now or might become pregnant in the future" should get vaccinated against COVID-19, the CDC urges. DjelicS/Getty Images hide caption

Triantha occidentalis, with its dainty white flowers appears innocuous, but its sticky stem helps the plant trap and make a meal of tiny insects. Danilo Lima hide caption

Controlled burns, like this one in Lassen Volcanic National Park, reduce the risk of extreme fires by clearing flammable brush. National Park Service hide caption

Scientists are working to develop new treatments for Alzheimer's disease by looking beyond amyloid plaques, which have been the focus of most Alzheimer's drug development in the past 20 years. Science Photo Library — ZEPHYR./Getty Images hide caption

Over two weeks, critic Linda Holmes watched every Olympic discipline, from archery to wrestling. Above, Manon Brunet of Team France, left, competes against Olga Nikitina of Team ROC during the Women's Sabre Team Fencing Gold Medal Match on day eight of the Tokyo 2020 Olympic Games. Ryan Pierse/Getty Images hide caption