News for 21 December 2021

21 DECEMBER 2021

21 December 2021, 23:30

Russia Keeps Building Up Troops at Ukraine Border After Putin-Biden Call, Voice of America Reports

21 December 2021, 20:30

US and UK Secretly Sent Cybersecurity Experts to Kyiv, NYT Reports

21 December 2021, 13:00

In Australia, an Artificial 'Brain' Was Created: It Quickly Learned to Play Pong and 'Considers Itself a Racket' in 'The Matrix'