Wastewater from washing machines is considered a major source of microplastics—tiny plastic particles that are suspected of ...
Kyoto, Japan -- Mother Nature is an artist, but her craft of creating animal faces requires more than a paintbrush and palette. Such highly complex shapes originate from their respective transient ...
This is a preview. Log in through your library . PNAS is the world's most-cited multidisciplinary scientific serial. It publishes high-impact research reports, commentaries, perspectives, reviews, ...
The first and second branchial arches are embryonic primordium that contributes to craniofacial development. Interferences in normal development of these structures result in variable maxillary, ...
WOODS HOLE, Mass., April 19 (UPI) --New genetic evidence suggests the evolutionary origins of human limbs lie in the gill arches of sharks, skates and rays. Gill arches are the collection of looped ...
Neural crest cells -- embryonic pluripotent cells within the facial primordium -- may be necessary for forming proper animal facial structures. Researchers have produced neural crest cell-rich ...
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