Early Earth Big Bang All matter the Universe was, one time, concentrated giant mass black hole?) that blew apart Solar System cloud interstellar dust and gases collapsed and condensed. Planets, Asteroids, Comets disk-shaped cloud subsidiary smaller lumps, piec...

Sontaneous Generation Spontaneous Generation For centuries, since least the time Aristotle, people (including scientists) believed that simple living organisms could come into being spontaneous generation. Francesco Redi Francesco Redi Italian physician who di...