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Like a science fiction time traveler, an arctic plant of the late Pleistocene age, over thirty one thousand years old, is growing again after a long frozen sleep. 犹如科幻小说里的时间旅行者，一种曾存活在更新世晚期的极地植物
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How to repart a plaint When the plant grows too large for its original part. It needs to be reparted. This can be done quickly and easily if you follow this instructions. First, you should cut off the bottom of the part with small stones. Then put tw
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Scientists Developing Salt-Tolerant Rice Scientists are developing a salt-resistant variety of rice. The move was prompted, in part, by last year's Japan tsunami, which flooded some 20,000 hectares of rice paddies. The rice varieties Japanese farmers
VOA标准英语2012年(一月)
Most rice grows in wet environments, but too much water can be disastrous for rice crops. Plant biologist Pamela Ronald helped create a type of flood-resistant rice that is being introduced to India and Bangladesh. In Davis, California, we spoke wit
VOA标准英语2009年(三月)
DAVID GREENE, HOST: More and more businesses are being raided as the Trump administration goes after employers who knowingly hire unauthorized immigrants. The biggest bust of all targeted a trailer manufacturer in northeast Texas. Immigration police
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Plants are a lot smarter than we thought. According to researchers, they are capable of making intelligent decisions regarding risk. Scientists have discovered that one plant, the humble pea, can make decisions regarding how to survive best, even tho
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