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07-04-2022
How and when did jaws evolve?
Jaws in vertebrate animals first developed in fishes hundreds of millions of years ago. Now, two new studies published in the journals eLife and Development look at the origins of these jaws.  It’s been long supposed that jaws are evolutionarily related to gills. To confirm this, the researchers looked at the development of gills in fish embryos, using a technique called evolutionary development or “evo devo." Study first author Mathi Thiruppathy is a PhD student in Gage Crump’s laboratory in the Keck School of Medicine of...
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VIDEO OF THE DAY

07-04-2022
Tenerife in the Canary Islands

IMAGE OF THE DAY

07-04-2022
Tunupa Volcano in southwestern Bolivia

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