This web seminar, the last of the NSDL series for the 2008-2009 school year, focused on the human physiological challenges of extended travel in outer space. Our presenter, Dr. Jim Pawelczyk, Associate Professor of Physiology & Kinesiology for the College of Health and Human Development at Pennsylvania State University, has studied the human effects […]

2009 marks the 400th anniversary in celebrating Gallileo’s use of a telescope to study the night sky. As a prelude to the International Year of Astronomy, NSDL offers the first seminar in the 2008 Fall Series: Celebrating Astronomy: A Star’s Story on Thursday, September 25th. Our NSDL experts, Dr. Cathy […]