year's nobel prize winner for medicine, robert edwards, who developed in vitro fertilization. >> woodruff: special correspondent lee hochberg reports from seattle on the challenges for public schools in accommodating students who are homeless. >> they just don't want to be left. they don't know whether they'll disappear the next day all of them have that uncertainty, they don't have roots. they don't have any guarantees. >> brown: ray suarez talks to historian susan reverby about her discovery that u.s. scientists performed secret syphilis experiments in guatemala during the 1940s. >> woodruff: and we have a discussion on what lies ahead in the supreme court term that began today, with marcia coyle and lawyers paul clement and paul butler. >> brown: that's all ahead on tonight's newshour. major funding for the pbs newshour has been provided by: