单词：single star and multistars navigation
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Most plants capture sunlight. And the results are usually green. Because in photosynthesis, plant chlorophyll uses wavelengths of blue and our sun's ab
Scientific American(四)月
The thermometer had dropped to 18 degrees below zero, but still chose to sleep in the porch as usual. In the evening, the most familiar sight to me would be stars in the sky. Though they were a mere sprinkle of twinkling dots, yet I had become so acc
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Stars on a Snowy 雨雪时候的星辰 冰心 寒暑表降到冰点下十八度的时候，我们也是在廊下睡觉。每夜最熟识的就是天上的星辰了。也不过是点点闪烁的光明，而相看惯了，偶然不见，也有些想望与
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This is scientific American 60 seconds science. Im eric berries. Get a minute? From the back sea of a cab, the moves a driver makes may a time-seem let's say in fact, cabies may actually be better, more drivers than the rest of us. because they know
2015年Scientific American(十一)月
寒暑表降到冰点下十八度的时候，我们也是在廊下睡觉。每夜最熟识的就是天上的星辰了。也不过是点点闪烁的光明，而相看惯了，偶然不见，也有些想望与无聊。 连夜雨雪，一点星光都看不
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