How cytoplasm separates from yolk

The segregation of yolk from the surrounding cytoplasm in the very early fish embryo is a key process for the development of fish larva. To identify its underlying mechanisms, biologists at the Institute of Science and Technology ...

Austria's oldest preserved dyes detected in Miocene snail shells

Pigments in fossil snail shells from Austria dating back 12 million years are the oldest known preserved dyes from the polyene group, as scientists from the Natural History Museum Vienna and the University of Göttingen have ...

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