CHICAGO, May 23 (UPI) -- A fossil discovery has scientists reconsidering whether a spine with multiple segments is a feature of land-dwelling animals only, U.S. researchers say. The discovery of the ...
A spine is a spine is a spine—or is it? From sharks to salamanders to hawks to humans, vertebrates have backbones in common. Even so, vertebrae can form in divergent ways and have a variety of ...
In the bony fish, known as teleosts, building the spine relies on a tube-like structure running the length of the developing embryo called the notochord. The notochord sets up the patterns that lead ...
The coelacanth is known as a "living fossil" because its anatomy has changed little in the last 65 million years. Despite being one of the most studied fish in history, it continues to reveal new ...
A chance mutation that led to spinal defects in a zebrafish has opened a little window into our own fishy past. Rising fifth-year Duke graduate student Brianna Peskin, who started the project during ...
A chance mutation that led to spinal defects in a zebrafish has opened a little window into our own fishy past. Rising fifth-year Duke graduate student Brianna Peskin, who started the project during ...
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