Insisting she is perfectly healthy, nurse Kaci Hickox again defied the state’s Ebola quarantine Thursday by taking a bike ride with her boyfriend, and Maine health authorities struggled to reach a compromise that would limit her contact with others.

A geology professor and two doctoral candidates in geology at Baylor are working on new ways to extract crude oil in western Canada.

Members of Waco’s Heart of Texas Marine Corps League will run alongside the Waco community this weekend to support their fellow service members.

Pushing to confront Ebola at its West African source, President Barack Obama said Wednesday the United States was not immune to the disease but cautioned against discouraging American health care workers with restrictive measures that confine them upon their return from the afflicted region. “We can’t hermetically seal ourselves off,” he declared.

Houston city attorneys have withdrawn subpoenas that sought speeches and other information from five pastors who publicly opposed an ordinance banning discrimination of gay and transgender residents, the mayor said Wednesday.