UC San Diego cognitive scientist Philip Guo created Python Tutor, a free tool that makes code “visible” step by step. The research behind it earned a Test of Time award, recog ...
March 17, 2026 • As the war with Iran intensifies, Trump is demanding that allies help the U.S. reopen the Strait of Hormuz. And, a federal judge halts RFK Jr.'s changes to children's vaccine policies ...