This story appears in the June 2015 issue of National Geographic magazine. The eye is an organ of extreme perfection. I have a strong interest in evolution, and eyes have developed stunning ...

The Multiple Eyes of Insects, December 1926 Insects Have Many Eye-lenses. Do They See a Separate Image with Each Lens, or a Single Image as Does the Human Being?

The compound eye found in most insects is made up of a few to thousands ... but also ultraviolet wavelengths beyond the visible spectrum of humans. —Floyd Shockley, curator of entomology ...

In humans, this receptor can induce eye and skin irritation. In mosquitoes, it influences which hosts the insects find most alluring -- specifically, those unprotected by repellents that drive ...

Histometric analysis of UVB-irradiated human skin biopsies after application of sunscreen and/or insect repellent or ... are rays that are invisible to the naked eye. They carry more energy ...