All over the science section of my Google News feed today was the bold prediction by mega-mind theoretical physicist Stephen Hawking that humans have about a century to find another planetary home. Collating all the scientific data I could make up, the following chart proves that Mr. Hawking is an optimist.
Looks like a couple of decades before geneticists figure out how to make humans immortal, the ability of mankind to survive on Earth will diminish to zero.