Sarah DiGregorio, author of “Taking Care: The Story of Nursing and Its Power to Change Our World” will speak at 6:30 p.m. Thursday, Feb. 29 in 200 Ahlberg Hall. There will be a meet and greet with DiGregorio from 6 to 6:30 p.m. The event is free and open to the public. DiGregorio is a journalist and critically acclaimed author who has written on health care and other topics for the New York Times, Washington Post and more. She has been a keynote speaker for national audiences, such as the American Nurses Association, National Association for Neonatal Nurses and many others.