Scientists are currently examining the form and function of butterfly wings with the use of an electron microscope. Their research is now focused on two specific species of black butterflies, which they chose because they are capable of absorbing a maximum amount of sunlight. In their work, the scientists noted that the wings are composed of what they said are elongated rectangular scales, pieces of which are arranged in an overlapping fashion.
Such scales are also equipped with steep ridges, which scientists said contain small holes on either side that lead to a second coating. As a result of such a unique characteristic, sunlight is directed to the second layer, a feature that helps bolster a butterfly's heat-trapping capabilities.
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