09-09-24 Conservationists have developed a new technique to identify cheetahs in the wild from just their paw prints. 环境保护者发明了一种在野外根据爪印辨别猎豹的新方法。 One of a kind, a cheetah's paw print The technique works in a similar way to that which...

09-07-30 An international team of scientists has agreed on a standard DNA barcode for plants that will allow botanists to identify species quickly and easily. 一组国际科学家为植物制定了统一的DNA条码，这将帮助植物学家更快、更简单地区分物种。 There are an esti...