Live jelly: than there were the strange beings cast ashore

Rectangles, transparent jelly and strange cocoons - all this casts ashore the ocean, puzzling people. Scientists solved secret of jellylike educations which found in coast Norway two years ago. Researchers met similar jellylike spheres in different regions of the World Ocean earlier. Biologists managed to take a sample of fabric of one of such spheres and to carry out analysis DNA. To what conclusion scientists came? And than there was other strange find - the black rectangular objects which have been thrown out on a beach of Northern Carolina? These questions were answered by experts of the Mankind Riddles program with...