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This study examines whether honeybees can learn to fly through complex mazes, in the presence or the absence of specific visual cues. The results are summarized as follows: 1. Bees can learn to fly through a complex maze by following a trail of colored marks. 2. Bees, initially trained to follow color marks through an initial part of the maze, are(More)
The perception of the e-vector orientation of polarized light is a very common phenomenon in insects. This capability is used, as far as we know, in the behavioral context of skylight navigation and the detection of water surfaces (for review see [1]). Bees and crickets use anatomically and physiologically specialized ommatidia in an eye region termed the(More)
BACKGROUND Interleukin-2 (IL-2) treatment for patients with metastatic melanoma has shown remarkable durable responses. Systemic administration of IL-2 may cause severe side effects, whereas local administration is considered to be a safe alternative. The lungs are common sites of metastases in melanoma patients causing considerable respiratory problems. We(More)
Carbon nanotubes (CNT) exhibit unique mechanical, electronic and magnetic properties, which have caused them to be widely studied. Nanotubes conduct heat and electricity better than copper or gold, and they are probably the strongest substances that will ever exist – with a tensile strength one hundred times greater than steel, but only one sixth the weight(More)
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