Branches may elect other officers, in addition to these, as required. Branch chair The branch chair facilitates branch and committee meetings, and may also be a senior negotiator. This includes: ...

Reach out to these authors via encrypted communications: Will Stone @wstonereports.95, Pien Huang @pienhuang.88 and Rob Stein @robstein.22. Edited by Carmel Wroth and Scott Hensley.

The authors begin with Leonardo da Vinci's observation that trees limbs preserve their thickness as they branch. The parameter α, known as the radius scaling exponent in self-similar branching ...

A team of journalists led by The Associated Press has documented 1,036 deaths over the decade from 2012–2021 after police used physical force or weapons that are meant to be safer than firearms.

Carmel Wroth is a senior health editor for NPR's Science Desk, where she guides digital strategy for the health team and conceives and edits digital-first, enterprise stories and packages.