Reports of full green light from UCI and a new ketone study with Visma make the mystery super-supplement the forgotten enemy Tour de France.

Massive burps of carbon dioxide triggered widespread ocean anoxia 300 million years ago, sediment cores suggest by UC Davis edited by Sadie Harley, reviewed by Robert Egan Editors' notes ...

Advice Dear Doctor: Is it true that urine pH levels can be changed even though blood pH levels can’t? Published: Jun. 30, 2025, 6:00 a.m.

Penn’s Woods: Pennsylvania’s Great Outdoors More Sunday hunting for Pa. earns approval of Senate panel, amid deer urine debate Published: Jun. 24, 2025, 1:38 p.m.

A Pennsylvania Senate committee amended then approved a measure passed by the House to repeal the ban on Sunday hunting.

Dark-colored urine may be an early sign a person has jaundice. While jaundice has many causes, one reason for it could be pancreatic cancer. Learn more here.