SCIENCE / Cosmology
Nov 10, 2011 — A letter found deep in archives in London has helped settle the debate over who deserves credit for what many say is the most important astronomical discovery of the 20th century: the realization that the universe is expanding.
Sep 23, 2011 — Your time, delivered through digital devices that move to nanosecond cadences, has never existed before in human history. As we rush through our overheated days we can barely recognize this new time for what it really is: an invention. And it's killing us.