With travel warnings and revoked visas, the two superpowers locked in a bruising trade war may make students and tourists their bargaining chips. By Vivian Wang Reporting from Beijing China has ...

Fried fish tacos garnished with cabbage slaw on a white plate - xhico/Shutterstock ...

Transplanting dopamine-releasing neurons into the brain is a promising regenerative therapy for Parkinson’s disease. Two clinical trials show that it is safe, but more evidence is needed to ...