Pianos that are not worth keeping are used for an after-school program in which schoolchildren are taught about piano mechanisms and then get to paint the instruments.
Among her guests was Pavla Gomba, the head of Unicef in the Czech Republic, who talked about a project in which schoolchildren made dolls to raise money for the organization.
The preview also shows a clip from a 2010 pilot study in which schoolchildren were asked to select from pictures of dolls ranging from light to dark.
The brothers' invention will be entered into Armenia's annual robotics contest, in which schoolchildren from across the country compete against each other.
"One can hardly believe that a reasonable man can cling so tenaciously to such prejudice," he wrote to the National Urban League's executive director, Lester B. Granger, in 1946, "and there is sure to come a time in which schoolchildren in their history lessons will laugh about the fact that something like this did once exist".
Without such evidence, social-emotional learning could go the way of the self-esteem movement, an ill-fated program from the 1980s in which schoolchildren repeated mantras like "I am special" and "I am beautiful".
Her pioneering Edible Schoolyard project, in which schoolchildren grow their own lunch and teachers use gardens for science lessons and recipes for social studies, is thriving in Berkeley, has been planted in New Orleans and may expand to Pittsburgh and Brooklyn.
Page after page recalls a vanished world in which schoolchildren learn poetry by heart, divorce and illegitimacy are shameful and the Church of England is a unifying presence, where, on Armistice Day, "whole communities gathered in their parish church, united in sorrowful remembrance".
The bombing today in the southwestern neighborhood Qiryat Menachem drew comparisons to one of the last serious suicide bombings in Jerusalem: the blast on June 18 aboard a bus in nearby Gilo, another morning rush-hour attack in a residential neighborhood in which schoolchildren died.
