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A rare example of exceptional fossil preservation: Major animal groups were living on the seafloor millions of years before the Cambrian explosion
A tranche of fossils from the end of the Ediacaran Period has shown up branches of the tree of life previously thought to ...
Echinoderms are a phylum of exclusively marine deuterostome invertebrates characterized by pentaradial symmetry in adults, a calcareous endoskeleton composed of ossicles, and a unique water vascular ...
It used to be thought that sea urchins only had a primitive nervous system, but new research has found that they are far more complex than that. The entire body of a sea urchin is what researchers are ...
Prefer Newsweek on Google to see more of our trusted coverage when you search. Sea urchins have a body that is entirely made up of "head"—with a surprisingly complex central nervous system that ...
A 500-million-year-old fossil from Morocco, discovered by Natural History Museum scientists, is offering extraordinary new insights into one of evolution's most puzzling transformations: how ...
If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...
From an innovative (and subsequently controversial) opening ceremony to shattered world records across the sports spectrum, the Paris Olympics have marked a celebratory return to the Games we knew and ...
Holothuria tubulosa, a Mediterranean sea cucumber, has been established as a new model organism, promising advances in genetic research and conservation efforts. Scientists utilize a handful of ...
The publics surveyed are largely skeptical that democracy in the U.S., at least in its current form, is a good example for other countries to follow. A median of four-in-ten across the 34 nations ...
To the untrained eye, the ancient brittle star fossil above looks like what you’d expect of a now-especially-brittle echinoderm. But the fossil is quite rare: It captures the moment at which the ...
As education becomes more an experience of learning in the digital age, technologies play a pivotal role in reshaping the learning experiences of K-12 students. From interactive applications to ...
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