January 22, 2019

A blown call in the N.F.C. championship game on Sunday exposed a weakness in the N.F.L.’s rule book, as officials cannot review certain judgment calls despite numerous video replays.

Patients receiving new kidneys and livers must take damaging anti-rejection drugs for the rest of their lives. Now researchers hope to train the immune system instead of just tamping it down.

Increasing ship traffic, sonar and seismic air gun blasts now planned for offshore energy exploration may be disrupting migration, reproduction and even the chatter of the seas’ creatures.

An influential financier says investors should pay heed to growing risks and social tensions — a message resonating at the World Economic Forum.

Though the president’s pet project has never been mentioned in 10 weeks of testimony, the trial does have something to add to the debate about it.