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.
Sigdyada Festival is an annual celebration of Ethiopian and Ethiopian-Israeli culture.
The CEO of uCodeGirl is attending the State of the Union as a guest of the senior U.S. Senator from North Dakota John Hoeven.
The runner took off his shoes to pay tribute to fellow Ethiopian Abebe Bikila, who ran the 1960 Olympic marathon barefoot.