Scientists who in February announced their landmark discovery of
these ripples in spacetime revealed today that they had detected
more—again caused by a pair of crashing black holes. This second
find shows that the initial discovery was not a rare...
Freeman Dyson, Professor Emeritus
in the School of Natural Sciences, examines The Most Wanted Man
in China: My Journey from Scientist to Enemy of the State by
Fang Lizhi, in The New York
Review of Books. Lizhi, a Member in the School of
Natural...