Washington marked five years since a mob overran the US Capitol, with rioters pardoned by Donald Trump retracing their steps even as Democrats revived hearings to hold the president accountable.
AI companies are on the hunt to design the ideal device to deliver AI's superpowers, and some new enterprises are convinced that headphones or earbuds are the way.
China's government has long made efforts to tempt top scientists from abroad, but researchers say its institutions themselves are increasingly attracting talent thanks to their generous funding and growing prestige.
A surge of visual misinformation has inundated social media platforms after US forces seized Venezuelan leader Nicolas Maduro in a stunning raid on his Caracas home.