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Imagine if thousands of Amy Smiths were unleashed on the world, providing simple, ingenious inventions to make life easier for those subsisting on less than $2 a day -- half of humanity. This MacArthur Award-winning inventor has been seeding such programs at MIT, and describes tangible results of ef ...

If you live in a developing country, chances are you spend a good part of your day engaged in backbreaking, repetitive labor to put food on the table. The MIT students in this Soap Box session have rolled up their sleeves to find simple solutions for the half of the world without access to safe drin ...

“The numbers are overwhelming,” Henry Jacoby tells us in his overview of the final forum panel. The U.S. consumes one-quarter of the world’s energy and emits one-quarter of the world’s carbon dioxide. The combined population of India and China is nine times that of the U.S., so what will happen as t ...