Engineers in the US say they have invented a hydrogen-powered robot that moves through water like a jellyfish.
Development of the robot, nicknamed Robojelly, is in the early stages but researchers hope it could eventually be used in underwater rescue operations.
Ambassador Daniel Yohannes currently serves as the United States Permanent Representative to OECD.
The first-generation Ethiopian-American is president of Motown. This year she is set to release a film on the legendary record label.
African-Americans in New York City, Nashville and Seattle discuss a black candidacy for the White House.