Joseph Cynor, who teaches 8th grade science at Winona Middle School, counsels a group of students on which combination of vinegar and baking soda might create the biggest explosion on Feb. 22, 2019.
A woman holds a sign and attends a rally to stop AAPI (Asian Americans and Pacific Islanders) hate at the Logan Square Monument in Chicago on March 20, 2021.
Mourners, including Robert F. Kennedy, gather on April 9, 1968, at the Ebenezer Baptist Church in Atlanta for funeral services for the Rev. Martin Luther King Jr.