As the search for Nancy Guthrie continues, authorities are exploring innovative methods to locate her. Dr. Laurence Epstein, System Director of Electrophysiology at Northwell Health, provided insights ...

P RINTED ON TREADMILLS and exercise bikes in gyms around the world is a simple method for estimating the maximum rate at ...

Nancy Guthrie's disappearance has transfixed the nation, journalists, and true crime sleuths. Much remains unknown about the ...