For billions of years Earth was uninhabitable. Is it possible that planets in our solar system are going through similar phases and will in the far future be able to sustain life?
Earth was created 4.5 billion years ago. Life started almost immediately as Earth cooled enough and is likely around 4 billion years. The Early Earth was a very…
Can pure oxygen be a solid?
If you get it cold enough, yes. Under normal pressure, oxygen freezes at -218.4 C and boils at -183 C. If you’re insane enough or suicidal enough to…
What are some of the worst wrong predictions ever made in history?
A few that were slightly off: “The telephone may be right for our American cousins, but not here because we have an adequate group of messenger boys.” Editorial…