Bits & Bobs - Brilliant Butterfly Feature Challenges Darwinian Selection

Sandy Jack, Eastbourne

Precious Seed

How do butterflies’ wings shine? Like almost all other butterflies, the Morpho has wings covered with scales. Typically, pigmentation patterns across these scales generate wing colours, but a Morpho’s scales deploy an additional feature.

On top of their scales, Morpho butterflies have countless tiny, tree-like structures with suspended branched arms that manipulate light waves. Spacing among the branches helps match targeted light-wavelengths, like blue for example. Repeated reflections of the same wavelength cause interference effects that, when viewed from certain angles, generate stunning iridescence.

Given the incredible detail of this system, it seems that whoever designed these precise, tree-like features had expert knowledge of optics and nanotechnology.

But secularists regularly assert that such a conclusion would not be “scientific”—by which they likely mean that God cannot be considered as an origins option, even if His craftsmanship is the best explanation for the evidence.

Researchers recently reported the discovery of another unique attribute embedded in Morphos that also offers no known survival advantage: the tree-like scale structures are strongly polar at their tops and non-polar where they attach to each scale. Publishing these findings, the study authors wrote, “Although this surface polarity gradient may not be essential for butterfly survival, but rather is a by-product of the process of scale development, this perspective on biological pattern design can offer opportunities for a variety of technological applications.”

Put bluntly, if this newly found polarity gradient is not “essential for butterfly survival,” then how could natural selection be its cause?

The PNAS study authors wrote, “Morpho butterflies are a brilliant spectacle of nature’s capacity for photonic engineering.” However, there is no reason—other than sheer bias—to credit nature with engineering butterfly optic structures that even human engineers have not yet been able to replicate.

The Creator God of the Bible shines as the real Engineer here.

http://www.icr.org/article/7710/

There are 26 articles in
ISSUE (2013, Volume 68 Issue 4)

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