Animals, including insects, do not have a language like ours. They do not talk to each other in words and sentences. But if we watch them, we can see that they do have ways of communicating with each other. Professor Karl von Frisch(卡尔·冯·弗里希)is a scientist whose experiments have thrown great light on the amazing ways honeybees communicate in their dark hives.
动物,包括昆虫,它们没有像我们一样的语言。它们之间相互说话不用词和句子。但是,如果仔细观察它们,我们能发现它们确实有自己相互沟通的方式。卡尔·冯·弗里希教授是一个自然学家,
Professor von Frisch had worked with bees for many years. He was puzzled by something he had observed again and again. When he placed little dishes of honey on a table, bees soon came. As soon as one bee discovered the honey, many more came to it one after another in a short time. It seemed that one bee was able to communicate the news of food to other bees in its hive. How was this possible? To find out, Von Frisch built special hives, each with only one honeycomb. He built a glass wall through which he could watch what went on inside. In order to tell the bees apart, he painted some bees with little spots of color.
When a marked bee returned to the hive from the feeding table, Von Frisch watched through the glass. To his amazement, the bee began to perform a dance on the surface of the honeycomb. First she made a circle to the right, then to the left. She repeated these circles over and over. But that was not all. The dance seemed to excite the surrounding bees. They trooped behind the first dancer, imitating her movements. Then the bees left the hive and went to the feeding place. The circle dance seemed to communicate news of food. But what else?
Von Frisch wanted to find out whether the dance told them how far away the feeding place was. So he set up two feeding places. One was close to the hive. The other was much farther away from the hive. He marked all the bees that came to the nearby feeding place blue, and all the bees that went to the faraway place were marked red. When the bees came back to the hive, Von Frisch saw a curious sight. All the bees that had been at the nearby place were doing the circling dance. All the bees that had been at the distant feeding place were doing a completely different dance, a wagging dance. The dancer ran in a straight line, wagging from side to side. Then she turned in a semicircle, ran straight again, and turned in another semicircle to the opposite side. She kept repeating the “steps” over and over. Things were clear now. The circle dance meant that food was near. The wagging dance meant that food was far away.
But then another question came up. Did the wagging dance tell the bees how away the food was? To answer this question, Von Frisch and his co-workers set up a feeding place close to the hive. Then they slowly move it farther and farther away. Back at the hive they watched the wagging dance closely. With a stopwatch, they counted how many times the bees repeated the dance during one minute. They discovered that the farther away the feeding station was, the slower the dance was. The slower the dance was, the fewer the times it could be repeated in a minute. So another amazing fact came to light. The number of wagging dances per minute told the distance to the feeding place.
Next Von Frisch thought that bees needed to know more than just the distance to a faraway place. He thought they needed to know the direction to it. He set out to discover whether the wagging dance showed direction. He put a glass dish with sugar water and honey to the west of the hive. A marked bee fed itself from the dish and returned to the hive. Soon, the bees in the hive flew out. They flew right to the dish. Then Von Frisch moved the dish to the east of the hive and waited for a marked bee to feed. Again the bees flew right to the dish. How did the bees know exactly in which direction to fly?
Von Frisch watched the wagging dance very carefully. He noticed that the straight part of the dance was different in the morning from what it had been in the afternoon. It soon became clear that the straight part of the dance changed when the sun’s position changed. If the feeding place was toward the sun, the dancer headed straight upward during the straight of the wagging dance. If the feeding place was away from the sun, the straight part of the wagging dance pointed downward. The wagging dance of the honeybee, therefore, did show the direction of a feeding place.
What do these experiments of Professor Karl von Frisch tell us about bees? Do bees have minds? Can they figure out direction and distance? There is no scientific answer to these questions at present. All we can say is that bees can and do communicate with each other. Their dances are a kind of “language.” But the world of the honeybee is just beginning to be opened to us. More research is being done. Someday, as we understand more about them, we may be able to learn how bees developed their amazing “language.”
Animals, including insects, do not have a language like ours. They do not talk to each other in words and sentences. But if we watch them, we can see that they do have ways of communicating with each other. Professor Karl von Frisch(卡尔·冯·弗里希)is a scientist whose experiments have thrown great light on the amazing ways honeybees communicate in their dark hives.
动物,包括昆虫,它们没有像我们一样的语言。它们之间相互说话不用词和句子。但是,如果仔细观察它们,我们能发现它们确实有自己相互沟通的方式。卡尔·冯·弗里希教授是一个自然学家,
Professor von Frisch had worked with bees for many years. He was puzzled by something he had observed again and again. When he placed little dishes of honey on a table, bees soon came. As soon as one bee discovered the honey, many more came to it one after another in a short time. It seemed that one bee was able to communicate the news of food to other bees in its hive. How was this possible? To find out, Von Frisch built special hives, each with only one honeycomb. He built a glass wall through which he could watch what went on inside. In order to tell the bees apart, he painted some bees with little spots of color.
When a marked bee returned to the hive from the feeding table, Von Frisch watched through the glass. To his amazement, the bee began to perform a dance on the surface of the honeycomb. First she made a circle to the right, then to the left. She repeated these circles over and over. But that was not all. The dance seemed to excite the surrounding bees. They trooped behind the first dancer, imitating her movements. Then the bees left the hive and went to the feeding place. The circle dance seemed to communicate news of food. But what else?
Von Frisch wanted to find out whether the dance told them how far away the feeding place was. So he set up two feeding places. One was close to the hive. The other was much farther away from the hive. He marked all the bees that came to the nearby feeding place blue, and all the bees that went to the faraway place were marked red. When the bees came back to the hive, Von Frisch saw a curious sight. All the bees that had been at the nearby place were doing the circling dance. All the bees that had been at the distant feeding place were doing a completely different dance, a wagging dance. The dancer ran in a straight line, wagging from side to side. Then she turned in a semicircle, ran straight again, and turned in another semicircle to the opposite side. She kept repeating the “steps” over and over. Things were clear now. The circle dance meant that food was near. The wagging dance meant that food was far away.
But then another question came up. Did the wagging dance tell the bees how away the food was? To answer this question, Von Frisch and his co-workers set up a feeding place close to the hive. Then they slowly move it farther and farther away. Back at the hive they watched the wagging dance closely. With a stopwatch, they counted how many times the bees repeated the dance during one minute. They discovered that the farther away the feeding station was, the slower the dance was. The slower the dance was, the fewer the times it could be repeated in a minute. So another amazing fact came to light. The number of wagging dances per minute told the distance to the feeding place.
Next Von Frisch thought that bees needed to know more than just the distance to a faraway place. He thought they needed to know the direction to it. He set out to discover whether the wagging dance showed direction. He put a glass dish with sugar water and honey to the west of the hive. A marked bee fed itself from the dish and returned to the hive. Soon, the bees in the hive flew out. They flew right to the dish. Then Von Frisch moved the dish to the east of the hive and waited for a marked bee to feed. Again the bees flew right to the dish. How did the bees know exactly in which direction to fly?
Von Frisch watched the wagging dance very carefully. He noticed that the straight part of the dance was different in the morning from what it had been in the afternoon. It soon became clear that the straight part of the dance changed when the sun’s position changed. If the feeding place was toward the sun, the dancer headed straight upward during the straight of the wagging dance. If the feeding place was away from the sun, the straight part of the wagging dance pointed downward. The wagging dance of the honeybee, therefore, did show the direction of a feeding place.
What do these experiments of Professor Karl von Frisch tell us about bees? Do bees have minds? Can they figure out direction and distance? There is no scientific answer to these questions at present. All we can say is that bees can and do communicate with each other. Their dances are a kind of “language.” But the world of the honeybee is just beginning to be opened to us. More research is being done. Someday, as we understand more about them, we may be able to learn how bees developed their amazing “language.”
正在翻譯中..