However, the most important lesson from these landmark studies may be the remarkable plasticity of even the most terminally differentiated cells when exposed to the right combination of signals.
Landmark scientific advances, coupled with lessons learned from a decade of implementing programs under PEPFAR, have given us the tools, knowledge, and experience needed to achieve an AIDS-free generation.
The end of GE's struggle with big finance is a landmark for American capitalism that holds lessons for firms, banks and regulators.GE's diversification from electrical to financial engineering began by accident in the 1980s.
That story took place about 30 years after Rabbi Sally Priesand became the first woman ordained by the Reform movement, and yet, it underscored for me at the time how quickly landmark, historic changes can become powerful lessons in normalcy.
The lesson of the Dartmouth Institute's landmark work has never been a simplistic view that a town with more health spending than another always has worse quality.
The experience of Greenwich, whose Housing Authority was created at the end of World War II, in part to house returning veterans, may hold lessons for Westchester County, whose legislature approved a landmark desegregation agreement this week.
But that lesson may be lost on passers-by, because landmark regulations require that the addition be set back so far that it will be invisible from the street.
And perhaps that is Tom's lesson for us boys revelling in the supreme court's landmark decision: that even though marriage is a fundamental marker of civil equality, it reinforces rather than upsets the makeup of society as such.
As we made our way through many of this country's historical landmarks we were all getting a different kind of education and history lesson, one we could never learn in school.
Consider contacting a homeschool group or resource center for ideas, or visit attractions based on the lesson being covered, such as a science museum for biology, a historical landmark for social studies, etc.
