Life is dependent upon a lot of coincidences, but there’s only one that was so improbable that physicists laughed at the very idea of it. Here’s why something known as the “beryllium bottleneck” should have choked out all life before it even got started.
As more and more stuff from science fiction feels as though it's coming true, we run into more situations where straight-up descriptions of real discoveries feel science fictional. But it works the other way, too — some SF writers go out of their way to make their fiction feel like real science writing.
Scientists now believe there's a supermassive black hole at the center of our galaxy. But back in the day, we dreamed the galactic center held God's home planet. Or a super-civilization. What else did science-fiction authors think we'd find there?