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After years on the slow track, America’s high-speed rail may finally be building momentum.
Standard time zones and electric trains were both pioneered at New York's Grand Central Terminal.
Seventy thousand miles of track will need to be outfitted with "positive train control" technology by 2015.
While some clean energy advocates have suggested fuel cell cars as a technology of the future, development of hydrogen fuel cell technology is moving forward in an unusual place -- the railyard.
Elon Musk described his Hyperloop design as a cross between a "Concorde, a railgun, and an air hockey table."
Doctor Jordan Metzl says specific cardio and strength training regimens can trea...
Exercise scientists Tamara Hew-Butler and Greg Whyte talk about how the body cha...
Can regular mental exercise help slow down the progress of dementia?
Can exercise help keep aging brains healthy?
New York Times science writer William Broad’s book investigates popular health c...
Could popping a pill turn a couch potato into a long-distance runner?