China surveys Yangtze dolphin as extinction looms

Chinese scientists on Sunday began a survey of the dwindling population of an endangered porpoise in the country's longest river, as the animal edges towards extinction from man-made threats.

Deciphering the enigmatic global distribution of fairy circles

One of the most impressive and mysterious natural formations that we can observe in the arid areas of our planet are fairy circles. These are enigmatic circular patterns of bare soil surrounded by plants generating rings ...

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