"Scientists"

The earth has been spinning since its inception and has been doing so for 4.5 billion years now, so why has it not stopped yet?

Compared to iron, those rare earth elements in the universe, which are heavier than iron, are even rarer

Prehistoric civilization have always been the talk of the town, and it's no wonder - after all, humans have been around for so short a time in the history of the planet that if we were to compress the history of the planet into a single day, then humans would probably only appear in the last two minutes of that day. In the past, there have been frequent claims of the discovery of suspected prehistoric civilization, the most notable of which would be a two-billion-year-old nuclear reactor.