The influential and sometimes controversial Harvard professor first made his name studying ants. He later broadened his scope to the intersection between human behavior and genetics.

More than 1,400 flights canceled worldwide Monday, adding to thousands canceled over the Christmas weekend. And across the country, long lines continued at COVID-19 testing sites.

Pennsylvania is reviewing its 2,500 roadside markers, scrutinizing factual errors, inadequate historical context, and racist or otherwise inappropriate references.

"I am being attacked for utilizing my freedom of speech," Jared Schmeck told The Oregonian.