Kerala: the blood-red rain of 2001
June 8, 2006Upon closer examination, scientists found cell-like red structures that could reproduce. Yet, they contained no DNA. Theories abound, including a possible meteor strike into a flock of bats. But blood cells are unable to replicate.
Another idea is based on panspermia, and suggests that microorganisms from space enter our planet via comets now just as they did when life began.
