Thirty-two years after the birth of the world’s first test-tube baby, artificial conception has never been more popular or successful. Today, up to 3 percent of infants born in the U.S. owe their existence to assisted reproductive technology, or ART. The majority is overwhelmingly healthy, but new research from scientists at Temple University and other institutions suggests the technique is not without its long-term risks.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.