X-ray diffraction analysis defines the spacings of membranes in retinal rod outer segments, and begins to suggest how rhodopsin molecules are arranged in the membranes.

Frog ribbits erupt via an extravagant variety of vocal sacs Blue pop-out poofs, headside balloons — the diversity is astounding A pair of blue bulges puffs outward as a male Indian bullfrog ...

As it’s done to amphibians worldwide, Bd has devastated native frog populations in Yosemite. Once the most common amphibian in the high elevation portion of California’s Sierra Nevada mountains, ...