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科学美国人60秒:蜜蜂在日全食中沉默

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This is Scientific American — 60-Second Science. I'm Christopher Intagliata.
Last summer's total solar eclipse sliced right through Columbia, Missouri. "It was remarkable. As a biologist I generally reserve that word 'remarkable' for biological phenomena." Candace Galen is based at the University of Missouri, in Columbia. And, being a biologist, she thought, why not use this astronomical phenomenon to study a biological one? Specifically: as the skies darkened, would daytime pollinators, like bumblebees and honeybees, call it quits? "What better activity during an eclipse than to go out with a recorder and record the bees? "
So Galen asked 400 citizen scientists—including young students—to place audio recorders in 16 flower patches along the path of totality, in Oregon, Idaho and Missouri. When they analyzed the audio, they found that during partial eclipse, bee buzzing continued. But when totality hit, the bees went silent... and only the conversational buzz of human observers could be heard. Then, as the moon passed and the sun again lit up the sky, the bees regained their buzz. The full write-up is in the Annals of the Entomological Society of America.

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Galen and her colleagues did notice one strange detail: the individual buzzes lasted longer than normal during the partial eclipse periods. Perhaps, Galen says, because the bees were flying more slowly to navigate darker conditions. Or maybe they were returning to their nests, thinking the day was through. It's hard to tell from the recording, she says. Which is why, come the next American total solar eclipse in 2024, she'll be back out listening once again. "I'm a scientist, my curiosity is never satisfied, right?"
Thanks for listening for Scientific American — 60-Second Science Science. I'm Christopher Intagliata.

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重点单词   查看全部解释    
totality [təu'tæliti]

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n. 全部,总数

 
eclipse [i'klips]

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n. 日或月食,丧失,没落
vt. 形成日或月

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listener ['lisənə]

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n. 听者,听众

 
recording [ri'kɔ:diŋ]

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n. 录音 动词record的现在分词

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partial ['pɑ:ʃəl]

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adj. 部分的,偏袒的,偏爱的
n. 泛音

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reserve [ri'zə:v]

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n. 预备品,贮存,候补
n. 克制,含蓄

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astronomical [.æstrə'nɔmikəl]

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adj. 天文学的,巨大的

 
navigate ['nævi.geit]

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vi. 航行,驾驶,操纵 vt. 航行,驾驶

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curiosity [.kjuəri'ɔsiti]

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n. 好奇,好奇心

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remarkable [ri'mɑ:kəbl]

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adj. 显著的,异常的,非凡的,值得注意的

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