OpenAI released GPT-4, an upgraded version of their popular artificial intelligence chatbot.
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The population of space hit a new record with 13 astronauts.
Identical twins were no longer identical after one returned from a mission to space.
The first theater with a movie being projected from the back of the room was opened in New York City.
Anne Miller became the first American patient to be treated with penicillin.
US President John F. Kennedy's body was moved to its final resting place in Virginia.
