If you think of asteroids, meteors and comets as potentially destructive and life-threatening forces, you're correct. After all, the arrivals of these celestial bodies are typically associated with catastrophic impacts on earth, profound environmental changes, impact winters, plagues and famines. But that's not all. Over the last century, a number of scientists have speculated that they might also bring life to the barren outreaches of the galaxy, such as our solar system. Not only that, they may even have positive evolutionary effects on existing flora and fauna.

This week on MindMatters we continue our discussion of near-earth objects as symbolized and alluded to in the Grail legends. Further to this warning from the past - that has been encoded for understanding by future generations - we'll be examining such ideas as directed panspermia, or the "creative" dimension of space rocks. Biological material and other life-seeding elements are the surprise feature of these death-dealing amalgamations.

Running Time: 01:12:07

Download: MP3 — 66 MB