World
WorldUS surgeons transplant pig kidney to live patient for second time
WASHINGTON — Surgeons in the United States have transplanted a modified pig kidney into a living person for the second time, a hospital said on Wednesday (April 24), celebrating an advance in animal-to-human organ transplants.
North Korea's Kim oversees 'nuclear counterattack' drill
SEOUL — North Korean leader Kim Jong Un has overseen a drill simulating a "nuclear counterattack", state-run KCNA news agency said on Tuesday (April 23), the latest in a volley of tests by Pyongyang this year.