Then & Again

Then & Again
(Circa 1899 Photograph by Frances Benjamin Johnson/Library of Congress; 2004 Photo by Mark Gail)
Sunday, January 15, 2006

Top: Public school children conducting science experiments, Washington.

Bottom: Science teacher Tanisha Johnson, left, talking with eighth-graders during an experiment in class at G. James Gholson Middle School in Landover.

© 2006 The Washington Post Company