A humanoid robot powered by artificial intelligence, believed to be one of the first in Russia, face-planted during its highly anticipated debut in Moscow on Tuesday after briefly staggering onstage. #robot #Russia Read the story here: https://nyti.ms/3K0OAfp Subscribe: http://bit.ly/U8Ys7n More from The New York Times Video: http://nytimes.com/video ---------- Whether it's reporting on conflicts abroad and political divisions at home, or covering the latest style trends and scientific