Learn how these elite athletes run tens of hundreds of miles. — -- As part of an experiment to test the limits of human physiology, ABC News Medical Unit Managing Editor Dan Childs ran on a ...

From the very beginning, the message of modernity has been one of control and mastery — over fate, over the natural world, over human nature itself. And the program for human improvement very much ...

Teachers are changing their lessons amid increasing scrutiny from parents and a raft of state laws and school policies that circumscribe lessons on race and gender, according to one of the first ...

Beyond the central dogma -- What is it that makes something living? -- The uncertainties -- The meanings of reductionism -- Epistemon and Eudoxus -- The reductionist experimental program -- A ...