Last year, a news article caught my eye.
It said that many gannets living on the Bass Rock had been wiped out by bird flu.
But strangely, most of those that survived had undergone an eye colour change from blue to black.
And so, it was postulated that illness had affected their eye colour, in the same way as a cough might damage the lungs.
But what if we were witnessing something far more intriguing?
What if we were witnessing evidence that viruses have the power to alter DNA and bring about step-wise changes in the physical appearance of the living body?
It has been speculated before in scientific literature that micro-organisms have the power to alter DNA, but perhaps their effect is even greater than that.
Perhaps micro-organisms such as viruses have the ability to bring about a wholesale change in an animal's DNA that radically alerts its appearance and abilities.
Scientists have long sought to explain how major step-changes in evolution come about. For example, how did birds first grow wings? How did the eye come about? What created limbs? Or what brought about the change in eye colour from brown to blue in humans?
Here with the gannets, we might just be seeing the powerful effect that viruses have to bring about the step-wise change that seems to occur in the course of evolution.
I am a little surprised that scientific scholars have not seen the momentous evolutionary theory that has just played out before their very eyes.
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