purpose : to evaluate the effect of induced esophoria and exophoria on distance stereoacuity at 6 meters methods : fifty subjects with distance corrected or uncorrected visual acuity of 6/6 and orthophoria without history of amblyopia, strabismus or any ocular pathology were recruited and distance stereoacuity was measured by howard-dolman test before and after introducing 2, 4, 6 and 8δ base i...

Joe Howard is a Group Leader and Director at the Max Planck Institute of Molecular Cell Biology and Genetics in Dresden. He has always been on the move. In his native Australia he did his PhD on the neurobiology of vision; in San Francisco he worked on hair cells and hearing; and in Seattle he developed single-molecule techniques to study microtubules and kinesins. He wrote a textbook on the Me...

to test whether termites of the Cryptotermes domesticus species might be able to discriminate between different sizes of wood. The team constructed experiments that presented termites with blocks of wood with a standard crosssectional diameter of 20x20 mm but of either 20 mm or 160 mm length. The insects were placed in a gap between the two faces of the timber blocks so that they were not able ...