20 million years to become a star: Cosmic clock unlocks mystery of sun’s birth time
By studying decay of bound-state beta decay of thallium-205 (205Tl81+), scientists can better understand the timing and ...
Biden, Xi agree that humans, not AI, should control nuclear arms
LIMA, Nov 16 (Reuters) - U.S. President Joe Biden and Chinese President Xi Jinping agreed on Saturday that human beings and not artificial intelligence should make decisions over the use of nuclear ...