On any given Friday night at the Claremont Colleges, between 15 and 20 Jewish students gather to sing wordless melodies, dive into textual study of Talmud or James Baldwin, or hold workshops on antisemitism.

(by extension) Any large pilot-commanded pitch-down motion of an aircraft, often producing negative G-forces and resulting in a large negative change in flightpath angle.

It is largely the story of a man who fell from being a potential leader of the Soviet Communist Party in the early 1960s to being an outcast by the mid-1970s – a dissident in the eyes of officialdom, a half-dissident in his own eyes.

The UNEP report said about a third of climate-heating emissions came from the global food system and these were set to double by 2050.