Tuesday, June 28, 2022

How did vertebrates first evolve jaws?

Scientists reveal clues about the evolutionary origin of jaws by studying the embryonic development of zebrafish -- an approach known as 'evo-devo.' Using imaging and cell tracing techniques in zebrafish, researchers who conducted the study conclusively showed that the pseudobranch originates from the same mandibular arch that gives rise to the jaw.

from Latest Science News -- ScienceDaily https://ift.tt/4zTuVNG

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Scientists discover first new penguin species in more than 100 years

Genetic evidence has revealed a previously unknown gentoo penguin species on the remote Kerguelen Islands and shown that gentoos actually co...