Thursday, October 13, 2011

Exobiology: Germs from Space: Part One

In the original “War of the Worlds” novel, our Martian invaders where thwarted not by us high and mighty humans, but by humble terrestrial bacteria who just ate them up! The question therefore is would extraterrestrial ‘bacteria’ find us (terrestrial life) a nice snack? The answers could be both ‘yes’ and ‘no’.

The War of the Worlds Scenario:

No, I don’t mean by this that there is any analogy between the UFO extraterrestrial hypothesis (ETH) and alien invasion, a typical example being the “War of the Worlds” (be it the original novel, the movies, the TV series, the musical, etc.). I refer here to the ultimate resolution of that alien war scenario – that ultimately what defeated the Martians were terrestrial microbes – bacteria to which the alien invaders had no resistance. That was a really excellent plot device – it was also lousy science! If there is one truism in biology, it is that cross-species infection is rare. There are of course a few exceptions to the cross-species infection rule, but they remain by far a minor, minor, minority. Micro-organisms tend to be species specific in terms of their nastiness. Thus, if I sneeze, my cats aren’t in any danger of catching my cold – and vice versa. I’m not about to infect any of my garden plants by touching them with my dirty soiled hands – I’m not likely to become infected with a deadly disease from a maple tree. If a wild bird has beak and feather disease and my cats should happen to catch and eat it – well, the bird was doomed anyway, and I’m not going to have to rush the feline predator off to the vet for shots! So, if it is relatively unlikely for one terrestrial species to be a contagion towards another terrestrial species (unless they are very closely related – evolutionary speaking), then what odds a terrestrial species will be deadly to an extraterrestrial species – and vice versa.

What’s the point of all this? Well, if UFOs can be explained by the ETH, then it is unlikely in the extreme that the ETH exists in a species vacuum. That is, ‘ufonauts’ (for lack of a better term), more commonly known as ‘the greys’, will be associated with their extraterrestrial micro-organisms (maybe ever their extraterrestrial equivalents of head lice, mites, bedbugs, cockroaches and rats depending on how hygienic they are). We do not exist in a bacteria free environment, nor could we even if we wanted to. ‘Ufonaut’ bodies and their UFOs will be as ‘bacteria-ridden’ as our bodies, our homes, automobiles, and in fact any and all other bits and pieces of our environment. We haven’t endured or experienced any pandemic or epidemic due to micro-organisms associated with ‘ufonauts’, and presumably ‘ufonauts’ haven’t caught cold or smallpox or the measles from microbes associated with us, our cats, birds, or any other terrestrial life forms.

So, UFO sceptics can’t invoke the “War of the Worlds” resolution as an argument that the UFO ETH is an invalid one. So, by all means, shake hands with an extraterrestrial (ET - if you meet him/her/it) and don’t worry about any resulting medical bill – it ain’t gonna happen.

However, this does open up an interesting research area – one I’ve never, ever, seen mentioned in the UFO literature. That is, extraterrestrial microbiology. If UFOs are piloted by alien beings, biological beings that must be associated with extraterrestrial micro-organisms, then presumably said ET microbes have entered into our terrestrial biosphere. Presumably, said ET microbes would be so biochemically distinct or unique that any microbiologist examining same would immediately note that something was afoot! Of course, if you’re not looking out for it, you’re unlikely to find it or get that ‘eureka’ moment even if you do find it. Perhaps UFO abductees or UFO landing sites should be examined for the presence of extraterrestrial microbes.

So what then to make of the late Sir Fred Hoyle’s et al. claims or ideas that some of our terrestrial disease outbreaks originated from outer space? It’s a variation on the panspermia idea – life on Earth originated from extraterrestrial microbiological life forms seeding our planet.

To be continued...

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