Researchers had been testing a sprayer that could one day be used to push a salty mist skyward, cooling the Earth. Officials stopped the work, citing health questions.

Trained negotiators can help families struggling with vexing elder-care issues.

Dr. Hilary Cass published a landmark report that led to restrictions on youth gender care in Britain. U.S. health groups said it did not change their support of the care.

The storm interfered with navigational systems used in tractors and other farming equipment, leaving some farmers temporarily unable to plant their crops.

An outdated medical term often masks treatable illnesses, health experts contend.

The best weather conditions for viewing the colorful light display will be in much of the West while New England was “a question mark,” a forecaster said.