All Stories

  1. Taphonomic variation in vascular remains from Mesozoic non-avian dinosaurs

    Article • Scientific Reports, February 2025, Springer Science + Business Media

    Professor Mary Higby Schweitzer

  2. Porphyrin-Based Molecules in the Fossil Record Shed Light on the Evolution of Life

    Article • Minerals, February 2024, MDPI AG

    Professor Mary Higby Schweitzer

  3. A STATISTICAL META-ANALYSIS OF LITHOLOGIC AND OTHER POTENTIAL CONTROLS ON FOSSIL BONE CELLULAR AND SOFT TISSUE PRESERVATION

    Article • Palaios, May 2023, Society for Sedimentary Geology

    Professor Mary Higby Schweitzer

  4. Paleontology in the 21st Century

    Article • Biology, March 2023, MDPI AG

    Professor Mary Higby Schweitzer

  5. Independent Evidence for the Preservation of Endogenous Bone Biochemistry in a Specimen of Tyrannosaurus rex

    Article • Biology, February 2023, MDPI AG

    Professor Mary Higby Schweitzer

  6. An ancestral hard-shelled sea turtle with a mosaic of soft skin and scutes

    Article • Scientific Reports, December 2022, Springer Science + Business Media

    Professor Mary Higby Schweitzer

  7. Soft-Tissue, Rare Earth Element, and Molecular Analyses of Dreadnoughtus schrani, an Exceptionally Complete Titanosaur from Argentina

    Article • Biology, August 2022, MDPI AG

    Professor Mary Higby Schweitzer

  8. Environmental Factors Affecting Feather Taphonomy

    Article • Biology, May 2022, MDPI AG

    Professor Mary Higby Schweitzer

  9. Deep Time Paleoproteomics: Looking Forward

    Article • Journal of Proteome Research, December 2021, American Chemical Society (ACS)

    Professor Mary Higby Schweitzer

  10. Dinosaurs

    Article • November 2020, Taylor & Francis

    Professor Mary Higby Schweitzer

  11. Molecular tests support the viability of rare earth elements as proxies for fossil biomolecule preservation

    Article • Scientific Reports, September 2020, Springer Science + Business Media

    Professor Mary Higby Schweitzer

  12. Identifying medullary bone in extinct avemetatarsalians: challenges, implications and perspectives

    Article • Philosophical Transactions of the Royal Society B Biological Sciences, January 2020, Royal Society Publishing

    Professor Mary Higby Schweitzer

  13. Evidence of proteins, chromosomes and chemical markers of DNA in exceptionally preserved dinosaur cartilage

    Article • National Science Review, January 2020, Oxford University Press (OUP)

    Professor Mary Higby Schweitzer

  14. Mechanisms of soft tissue and protein preservation in Tyrannosaurus rex

    Article • Scientific Reports, October 2019, Springer Science + Business Media

    Professor Mary Higby Schweitzer

  15. Dinosaur paleohistology: review, trends and new avenues of investigation

    Article • PeerJ, September 2019, PeerJ

    Professor Mary Higby Schweitzer

  16. Proteomic method to extract, concentrate, digest and enrich peptides from fossils with coloured (humic) substances for mass spectrometry analyses

    Article • Royal Society Open Science, August 2019, Royal Society Publishing

    Professor Mary Higby Schweitzer

  17. Paleoproteomics of Mesozoic Dinosaurs and Other Mesozoic Fossils

    Article • PROTEOMICS, July 2019, Wiley

    Professor Mary Higby Schweitzer

  18. Systemic distribution of medullary bone in the avian skeleton: ground truthing criteria for the identification of reproductive tissues in extinct Avemetatarsalia

    Article • BMC Evolutionary Biology, March 2019, Springer Science + Business Media

    Professor Mary Higby Schweitzer

  19. The molecular evolution of feathers with direct evidence from fossils

    Article • Proceedings of the National Academy of Sciences, January 2019, Proceedings of the National Academy of Sciences

    Dr michael william Pennington, Professor Mary Higby Schweitzer

  20. Soft-tissue evidence for homeothermy and crypsis in a Jurassic ichthyosaur

    Article • Nature, December 2018, Springer Science + Business Media

    Professor Mary Higby Schweitzer

  21. Preservation potential of keratin in deep time

    Article • PLOS One, November 2018, PLOS

    Professor Mary Higby Schweitzer

  22. Resonance Raman imagery of semi-fossilized soft tissues

    Article • September 2018, SPIE

    Professor Mary Higby Schweitzer

  23. Biochemistry and adaptive colouration of an exceptionally preserved juvenile fossil sea turtle

    Article • Scientific Reports, October 2017, Springer Science + Business Media

    Dr. Johan A. Gren, Professor Mary Higby Schweitzer

  24. Expansion for the Brachylophosaurus canadensis Collagen I Sequence and Additional Evidence of the Preservation of Cretaceous Protein

    Article • Journal of Proteome Research, January 2017, American Chemical Society (ACS)

    Dr. Elena R. Schroeter, Professor Mary Higby Schweitzer

  25. Molecular evidence of keratin and melanosomes in feathers of the Early Cretaceous bird Eoconfuciusornis

    Article • Proceedings of the National Academy of Sciences, November 2016, Proceedings of the National Academy of Sciences

    Professor Mary Higby Schweitzer

  26. Bone protein “extractomics”: comparing the efficiency of bone protein extractions ofGallus gallusin tandem mass spectrometry, with an eye towards paleoproteomics

    Article • PeerJ, October 2016, PeerJ

    Professor Mary Higby Schweitzer

  27. Keratin Durability Has Implications for the Fossil Record: Results from a 10 Year Feather Degradation Experiment

    Article • PLOS One, July 2016, PLOS

    Professor Mary Higby Schweitzer

  28. Chemistry supports the identification of gender-specific reproductive tissue in Tyrannosaurus rex

    Article • Scientific Reports, March 2016, Springer Science + Business Media

    Professor Mary Higby Schweitzer

  29. Testing the Hypothesis of Biofilm as a Source for Soft Tissue and Cell-Like Structures Preserved in Dinosaur Bone

    Article • PLOS One, February 2016, PLOS

    Professor Mary Higby Schweitzer

  30. Mass Spectrometry and Antibody-Based Characterization of Blood Vessels from Brachylophosaurus canadensis

    Article • Journal of Proteome Research, November 2015, American Chemical Society (ACS)

    Professor Mary Higby Schweitzer

  31. Melanosomes and ancient coloration re-examined: A response to Vinther 2015 (DOI 10.1002/bies.201500018)

    Article • BioEssays, October 2015, Wiley

    Professor Mary Higby Schweitzer

  32. Interpreting melanin-based coloration through deep time: a critical review

    Article • Proceedings of the Royal Society B Biological Sciences, August 2015, Royal Society Publishing

    Dr. Johan A. Gren, Professor Mary Higby Schweitzer

  33. Alligator osteoderms as a source of labile calcium for eggshell formation

    Article • Journal of Zoology, August 2015, Wiley

    Professor Mary Higby Schweitzer

  34. Biologically and diagenetically derived peptide modifications in moa collagens

    Article • Proceedings of the Royal Society B Biological Sciences, May 2015, Royal Society Publishing

    Professor Mary Higby Schweitzer

  35. A Pelomedusoid Turtle from the Paleocene–Eocene of Colombia Exhibiting Preservation of Blood Vessels and Osteocytes

    Article • Journal of Herpetology, December 2014, Society for the Study of Amphibians and Reptiles

    Professor Mary Higby Schweitzer

  36. Synchrotron Chemical and Structural Analysis of Tyrannosaurus rex Blood Vessels: The Contribution of Collagen Hypercrosslinking to Tissue Longevity

    Article • Microscopy and Microanalysis, August 2014, Oxford University Press (OUP)

    Professor Mary Higby Schweitzer

  37. Protein Molecular Data from Ancient (>1 million years old) Fossil Material: Pitfalls, Possibilities and Grand Challenges

    Article • Analytical Chemistry, July 2014, American Chemical Society (ACS)

    Professor Mary Higby Schweitzer

  38. Dinosaurs Are Important

    Article • Scientific American, May 2014, Springer Science + Business Media

    Professor Mary Higby Schweitzer

  39. Blood from Stone

    Article • Scientific American, May 2014, Springer Science + Business Media

    Professor Mary Higby Schweitzer

  40. Melanosomes or Microbes: Testing an Alternative Hypothesis for the Origin of Microbodies in Fossil Feathers

    Article • Scientific Reports, March 2014, Springer Science + Business Media

    Professor Mary Higby Schweitzer

  41. A role for iron and oxygen chemistry in preserving soft tissues, cells and molecules from deep time

    Article • Proceedings of the Royal Society B Biological Sciences, November 2013, Royal Society Publishing

    Professor Mary Higby Schweitzer

  42. Molecular analyses of dinosaur osteocytes support the presence of endogenous molecules

    Article • Bone, January 2013, Elsevier

    Professor Mary Higby Schweitzer

  43. Variation in osteocytes morphology vs bone type in turtle shell and their exceptional preservation from the Jurassic to the present

    Article • Bone, September 2012, Elsevier

    Professor Mary Higby Schweitzer

  44. Empirical Evaluation of Bone Extraction Protocols

    Article • PLOS One, February 2012, PLOS

    Professor Mary Higby Schweitzer

  45. Chemical Analyses of Fossil Bone

    Article • January 2012, Springer Science + Business Media

    Professor Mary Higby Schweitzer

  46. Soft Tissue Preservation in Terrestrial Mesozoic Vertebrates

    Article • Annual Review of Earth and Planetary Sciences, May 2011, Annual Reviews

    Professor Mary Higby Schweitzer

  47. Histological, chemical, and morphological reexamination of the “heart” of a small Late Cretaceous Thescelosaurus

    Article • The Science of Nature, January 2011, Springer Science + Business Media

    Professor Mary Higby Schweitzer

  48. Blood from Stone

    Article • Scientific American, December 2010, Springer Science + Business Media

    Professor Mary Higby Schweitzer

  49. Biomolecular Characterization and Protein Sequences of the Campanian Hadrosaur B. canadensis

    Article • Science, May 2009, American Association for the Advancement of Science

    Professor Mary Higby Schweitzer

  50. Comment on "Protein Sequences from Mastodon and Tyrannosaurus rex Revealed by Mass Spectrometry"

    Article • Science, August 2008, American Association for the Advancement of Science

    Professor Mary Higby Schweitzer

  51. Molecular Phylogenetics of Mastodon and Tyrannosaurus rex

    Article • Science, April 2008, American Association for the Advancement of Science

    Professor Mary Higby Schweitzer

  52. Microscopic, chemical and molecular methods for examining fossil preservation

    Article • Comptes Rendus Palevol, April 2008, Museum National D'Histoire Naturelle

    Professor Mary Higby Schweitzer

  53. Response to Comment on "Protein Sequences from Mastodon and Tyrannosaurus rex Revealed by Mass Spectrometry"

    Article • Science, January 2008, American Association for the Advancement of Science

    Professor Mary Higby Schweitzer

  54. Will current technologies enable dinosaur proteomics?

    Article • Expert Review of Proteomics, December 2007, Taylor & Francis

    Professor Mary Higby Schweitzer

  55. Interpreting Sequences from Mastodon and T. rex

    Article • Science, September 2007, American Association for the Advancement of Science

    Professor Mary Higby Schweitzer

  56. New Avenues of Investigation for Old Bones

    Article • Microscopy and Microanalysis, August 2007, Oxford University Press (OUP)

    Professor Mary Higby Schweitzer

  57. Porphyrin as an Ideal Biomarker in the Search for Extraterrestrial Life

    Article • Astrobiology, August 2007, Mary Ann Liebert Inc

    Professor Mary Higby Schweitzer

  58. Protein Sequences from Mastodon and Tyrannosaurus Rex Revealed by Mass Spectrometry

    Article • Science, April 2007, American Association for the Advancement of Science

    Professor Mary Higby Schweitzer

  59. Analyses of Soft Tissue from Tyrannosaurus rex Suggest the Presence of Protein

    Article • Science, April 2007, American Association for the Advancement of Science

    Professor Mary Higby Schweitzer

  60. Do egg-laying crocodilian (Alligator mississippiensis) archosaurs form medullary bone?

    Article • Bone, April 2007, Elsevier

    Professor Mary Higby Schweitzer

  61. The Sauropods: Evolution and Paleobiology Kristina A. Curry Rogers, Jeffrey A. Wilson . 2005. The University of California Press. Berkeley, California. ISBN: 978-0-520-24623-2 (hard cover). 358 $65.00 (hard cover).

    Article • Copeia, February 2007, American Society of Ichthyologists and Herpetologists (ASIH)

    Professor Mary Higby Schweitzer

  62. Soft tissue and cellular preservation in vertebrate skeletal elements from the Cretaceous to the present

    Article • Proceedings of the Royal Society B Biological Sciences, January 2007, Royal Society Publishing

    Professor Mary Higby Schweitzer

  63. Dinosaur eggshell study using scanning electron microscopy

    Article • Scanning, December 2006, Wiley

    Professor Mary Higby Schweitzer

  64. Gender-Specific Reproductive Tissue in Ratites and Tyrannosaurus rex

    Article • Science, June 2005, American Association for the Advancement of Science

    Professor Mary Higby Schweitzer

  65. A silicified bird from Quaternary hot spring deposits

    Article • Proceedings of the Royal Society B Biological Sciences, April 2005, Royal Society Publishing

    Professor Mary Higby Schweitzer

  66. Molecular preservation in Late Cretaceous sauropod dinosaur eggshells

    Article • Proceedings of the Royal Society B Biological Sciences, April 2005, Royal Society Publishing

    Professor Mary Higby Schweitzer

  67. Soft-Tissue Vessels and Cellular Preservation in Tyrannosaurus rex

    Article • Science, March 2005, American Association for the Advancement of Science

    Professor Mary Higby Schweitzer

  68. Preservation of Bone Collagen from the Late Cretaceous Period Studied by Immunological Techniques and Atomic Force Microscopy

    Article • Langmuir, March 2005, American Chemical Society (ACS)

    Professor Mary Higby Schweitzer

  69. Experimental Support for an Immunological Approach to the Search for Life on Other Planets

    Article • Astrobiology, February 2005, Mary Ann Liebert Inc

    Professor Mary Higby Schweitzer

  70. Comparison of Antibody−Antigen Interactions on Collagen Measured by Conventional Immunological Techniques and Atomic Force Microscopy

    Article • Langmuir, November 2004, American Chemical Society (ACS)

    Professor Mary Higby Schweitzer

  71. Molecular paleontology: some current advances and problems

    Article • Annales de Paléontologie, April 2004, Elsevier

    Professor Mary Higby Schweitzer

  72. Remarkable Preservation of Undigested Muscle Tissue Within a Late Cretaceous Tyrannosaurid Coprolite from Alberta, Canada

    Article • Palaios, June 2003, Society for Sedimentary Geology

    Professor Mary Higby Schweitzer

  73. Identification of Immunoreactive Material in Mammoth Fossils

    Article • Journal of Molecular Evolution, December 2002, Springer Science + Business Media

    Professor Mary Higby Schweitzer

  74. Late Cretaceous avian eggs with embryos from Argentina

    Article • Journal of Vertebrate Paleontology, March 2002, Taylor & Francis

    Professor Mary Higby Schweitzer

  75. A molecular model for the evolution of endothermy in the theropod‐bird lineage

    Article • The Journal of Experimental Zoology, December 2001, Wiley

    Professor Mary Higby Schweitzer

  76. Keratin immunoreactivity in the Late Cretaceous birdRahonavis ostromi

    Article • Journal of Vertebrate Paleontology, December 1999, Taylor & Francis

    Professor Mary Higby Schweitzer

  77. Beta‐keratin specific immunological reactivity in feather‐like structures of the Cretaceous Alvarezsaurid, Shuvuuia deserti

    Article • The Journal of Experimental Zoology, August 1999, Wiley

    Professor Mary Higby Schweitzer

  78. Intravascular microstructures in trabecular bone tissues of Tyrannosaurus rex

    Article • Annales de Paléontologie, July 1999, Elsevier

    Professor Mary Higby Schweitzer

  79. Preservation of biomolecules in cancellous bone ofTyrannosaurus rex

    Article • Journal of Vertebrate Paleontology, June 1997, Taylor & Francis

    Professor Mary Higby Schweitzer

  80. Heme compounds in dinosaur trabecular bone

    Article • Proceedings of the National Academy of Sciences, June 1997, Proceedings of the National Academy of Sciences

    Professor Mary Higby Schweitzer

  81. Detecting Dinosaur DNA

    Article • Science, May 1995, American Association for the Advancement of Science

    Professor Mary Higby Schweitzer