The story of the Time Out Tool Kit is a tale about the power that nurses have to change the world.

Take a look at what was happening in surgery before the year 1800.

Mary Seacole is truly a role model for patient advocacy whom we can channel in our times of need.

Learn about the many surgical firsts that occurred during the 19th century.

Take this eight-question true-or-false quiz to test your knowledge about Mary Seacole and her contributions to the nursing profession and those in need.

When you come to Pennsylvania Hospital, an entity of Penn Medicine, located in Philadelphia, you can take a step back in time to surgical origins.