"Saturday's Science Roundup: Black Hole Discovery, Dire State of Polar Bears, Electron Jail Construction"

NASA has discovered the most distant black hole ever observed, dating back to 470 million years after the big bang. MIT physicists have trapped electrons in a pure crystal, creating a rare electronic state in a three-dimensional material. Polar bear populations are declining due to melting polar ice and diminishing arctic seals. Researchers have explored training an AI system to seek pharmaceutical breakthroughs using intuition, with promising results.