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Graphical abstract displaying key features of the basking shark denticles
2+ hour, 35+ min ago (88+ words) (IMAGE) Eurek Alert! (1) The basking shark head, (2) Their distinctive skin consisting of 'paver block' arrangement, (3) Renderings comparing the skin denticle shape/arrangement with another close shark species (not on same scale!), (4) The shape variations of denticles. Credit must be given…...
Spriggina floundersi fossil (2)
2+ hour, 35+ min ago (75+ words) (IMAGE) Eurek Alert! A fossils of Spriggina floundersi collected in South Australia. Because these fossils preserve mirror-image impressions of the original animals, a leftward bend in the rock represents an animal that bent to the right in life. Scott Evans…...
Spriggina floundersi fossil [IMAGE] | Eurek Alert! Science News Releases
2+ hour, 35+ min ago (74+ words) Spriggina floundersi fossil (IMAGE) Eurek Alert! A fossil of Spriggina floundersi collected in South Australia. Because these fossils preserve mirror-image impressions of the original animals, a leftward bend in the rock represents an animal that bent to the right in…...
Fossil reveals the earliest evidence of "right-handedness" in the animal kingdom
4+ hour, 1+ min ago (545+ words) New research shows the ancient animal Spriggina floundersi preferred to bend to the right, the oldest known example of lateralized behavior image: A fossil of Spriggina floundersi collected in South Australia. Because these fossils preserve mirror-image impressions of the original…...
FSU scientists find gas emissions from rocks may have contributed to ancient climate swings, mass extinctions
18+ hour, 31+ min ago (394+ words) image: From left, assistant professor of geology Emily Stewart, geology doctoral student Lindsi Allman, and assistant professor of meteorology Michael Diamond. view more Credit: Devin Bittner/FSU College of Arts and Sciences FSU SCIENTISTS FIND GAS EMISSIONS FROM ROCKS MAY…...
Think that fishes and amphibians don't have necks? Think again
20+ hour, 28+ min ago (559+ words) image: Rainbow trout in the laboratory. view more Rainbow trout in the laboratory. New research is redefining the morphological and functional existence of anatomical "neck" regions to better include previously exempted vertebrates such as fishes and amphibians, changing the status…...
Mermessus fradeorum female [IMAGE] | Eurek Alert! Science News Releases
1+ day, 20+ hour ago (27+ words) Mermessus fradeorum female (IMAGE) Eurek Alert! Rebecca Robertson, University of Kentucky More on this News Release Warm temperatures disrupt spider sex-changing bacteria in dwarf-spiders across generations...
Paleontologists make "one in a million" discovery of soft tissue preserved in 450-million-year-old fossil
2+ day, 20+ hour ago (779+ words) image: Crinoid Soft Tissue Fossil. view more Crinoid Soft Tissue Fossil. Credit: The University of Oklahoma The nearly impossible natural conditions required to preserve soft tissue as fossils mean that the preserved tube feet of Dendrocrinus simcoensis, described by Cole…...
Plant DNA harbours virus "fossils" that reflect 300 million years of evolution
6+ day, 21+ hour ago (174+ words) image: Forest of beech trees in North-East of France view more Credit: INRAE - Fabrice Bonne Is it possible to study the history of viruses that emerged several hundred million years ago? An international team of INRAE and CIRAD researchers answered…...
Tiny ancient fish fossil with preserved brain offers clues to early fish evolution
1+ week, 2+ day ago (245+ words) image: CT scan image of the entire interior skeleton of Trawdenia planti contained in the nodule view more The bush at the bottom of the evolutionary tree The dense thicket of fish species that proliferated after the end of the…...