By Bonnie Burton If this “biological drone” drone crash-lands, it can decompose without leaving a trace.

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Source:: http://cnet.com.feedsportal.com/c/34938/f/645093/s/407d5ce4/sc/8/l/0L0Scnet0N0Cnews0Cflying0Efungi0Edrone0Emade0Eof0Emushrooms0Etakes0Eto0Ethe0Eskies0C0Tftag0FCAD590Aa51e/story01.htm