Undercover Israeli security force members arrest a Palestinian protester Monday at the Damascus Gate in Jerusalem. Ilia Yefimovich/dpa/picture alliance via Getty Images hide caption

Ash the cat selects the Kanizsa square stimulus — in other words, the illusion of a square — in a new study in which pet owners provided the data. Tara McCready hide caption

The Biden administration says the government will protect gay and transgender people against sex discrimination in health care. In this 2017 photo, Equality March for Unity and Pride participants march past the White House in Washington. Carolyn Kaster/AP hide caption

California Gov. Gavin Newsom speaks during a press conference in Oakland, Calif., on Monday where he announced a new round of $600 stimulus checks residents making up to $75,000 a year. Newsom also announced a projected $75.7 billion budget surplus compared to last year's projected $54.3 billion shortfall. Justin Sullivan/Getty Images hide caption

Album Leaf of Flowers and Insects, bequest of the Hofer Collection of the Arts of Asia, 1985.904.6 Photo © President and Fellows of Harvard College/Harvard Art Museums/Arthur M. Sackler Museum hide caption