Researchers recently discovered that the sea lamprey, a modern representative of ancient jawless vertebrates, fights invading pathogens by generating up to 100 trillion unique receptors. These ...
Scientists have long puzzled over the gap in the fossil record that would explain the evolution from invertebrates to vertebrates. Vertebrates, including fishes, amphibians, reptiles, birds, mammals, ...
Researchers have long assumed that a tube in the famous Pikaia fossil ran along the animal’s back. But a new study turned the fossil upside down. By Carl Zimmer Over the past 500 million years, ...
What did the very first complex vertebrate brain look like? To find out, scientists turned to an unlikely time traveler: the lamprey, a jawless, eel-like fish whose body plan has barely changed in ...
Vertebrates are distinguished by complex structures, particularly their head, which evolved for active feeding. In an article published in Nature Communications, scientists used the amphioxus, a close ...
Atlantic herring travel in massive schools that can contain hundreds of millions—and sometimes even billions—of fish. While ...
Add Yahoo as a preferred source to see more of our stories on Google. Run an insect trap through a German nature reserve today and it will catch a fraction of the insects it would have trapped in 1989 ...
How many fossils does it take to accurately train an image-based AI algorithm? According to a new study co-authored by Bruce MacFadden, UF Distinguished Professor Emeritus and retired curator of ...
A fish that lives in rain puddles has beaten its own record for the fastest known sexual maturity among vertebrates. Some other vertebrates come close, but they take shortcuts, says coauthor Martin ...
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