The ideas at the root of quantum theory remain stubbornly, famously bizarre: a solid world reduced to puffs of probability; particles that tunnel through walls; cats suspended in zombielike states, neither alive nor dead; and twinned particles that s...

Since the time of Isaac Newton, physicists have used mathematics to describe the behavior of matter of all sizes, from subatomic particles to galaxies. In the past three decades, as advances in molecular biology have produced an avalanche of data, co...

As far back as the early 1900s, the Quakers have been engaged in a program of quiet private diplomacy that won them a Nobel Peace Prize in 1947. During the turbulent 1960s, hey acted as unofficial conciliators in several tense situations. This compre...