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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)
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)
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