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500 million-year-old, bug-like fossils have stunningly preserved nervous systems

Two tiny fossils, each smaller than an aspirin pill, contain fossilized nerve tissue from 508 million years ago. The bug-like Cambrian creatures could help scientists piece together the evolutionary history of modern-day spiders and scorpions. ....

United Kingdom , Smithsonian Institution , District Of Columbia , United States , Harvard University , Javier Ortega Hern , Nicholas Strausfeld , Nature Communications , University Of Arizona , Harvard Museum Of Comparative Zoology , Department Of Neuroscience , Harvard Museum , Harvard University Museum , Comparative Zoology , Cambrian Burgess Shale ,

Third-Ever Tardigrade Fossil Discovered Hiding in a Hunk of Amber

Scientists have discovered just the third fossil tardigrade we ve ever found while they were looking for something else entirely. . ....

Javier Ortega Hern , Phil Barden , American Museum Of Natural History , American Museum ,