Donald Trump Makes First S. Korea Visit

The threat of North Korea's nuclear ambitions will dominate talks with President Moon. Writing on Twitter before leaving Japan, Mr Trump described the South Korean president Moon Jae-in, as a fine gentleman -- and said they would work out a way to deal with the nuclear threat from North Korea. Also, a new development in the diagnosis of malaria in children, and scientists say mammals were nocturnal when dinosaurs roamed Earth.

(Photo: President Trump leaves Japan; Credit: EPA)