How Many People Need Vaccines to Reach Herd Immunity?
A man wears a protective face covering
Mining Industry Reports Coronavirus Has Led to More Automation
A miner looks across an open gold mine pit
COVID-19 Vaccine May Be Required for International Travelers
A Qantas Airbus A380
Scientists Discover How Some Dinosaurs Grew So Big
Dinosaur fossil of Tyrannosaurus Rex
Schoolchildren’s Letters to Santa Show Concerns about Coronavirus
Letters from schoolchildren
American Stores Now Selling Used Clothing
Samantha Estes prepares garments to be photographed at the ThredUp sorting facility
Malaysia Group Teaches Refugee Women to Read and Write
Refugees attend a basic English lesson on the outskirts of Kuala Lumpur, Malaysia
America’s First Restaurant Influences the Food We Eat Today
Delmonico’s Restaurant in New York City in an undated photo
President-elect Biden Chooses All-Female White House Press Team
A few members of the future White House communication team
Houseplants: Tips for a Winter Hobby
Succulent plants growing in a home