In the migratory marathon, parasitized monarchs drop out early
A little-stud...How monarch butterflies are wired for navigation
In their extraordinary annual migration from North America to Mexico, monarch butterflies are known to use the angle of polarized sunlight as a celestial guide to help them keep to a straight and true path southward. But details of their navigational machinery have remained a mystery. Now, researchers, led by Steven Reppert of University of Massachusetts Medical School, Ivo Sauman of the C...Monarch II IOL Delivery System
Description:Lens Loading and Folding for Multipiece & Single-Piece ACRYSOF Lens with Standard Forceps...