About as thick as a standard dictionary, this turtle’s shell may have warded off attacks by the Titanoboa, thought to have been the world’s biggest snake, and by other, crocodile-like creatures living in its neighborhood 60 million years ago. [...more]
Smithsonian scientists and colleagues, however, have recently found evidence that gymnosperm plants shared an intricate pollination relationship with scorpionfly insects 62 million years before flowering plants appear in fossil records. [...more]
The fossil teeth of a 15- to 18-million-year-old three-toed browsing horse, Anchitherium clarencei, were recently discovered by scientists from the Smithsonian Tropical Research Institute and the University of Florida. They found the teeth during excavations of newly exposed rock in the earthworks of the Panama Canal. Bruce MacFadden, curator of vertebrate paleontology at the Florida Museum [...] [...more]
The Smithsonian Tropical Research Institute in Panama was recently given a collection of more than 25,000 different pollen grains and spores, each mounted on a microscope slide and labeled according to the plant that produced it. “The collection is worldwide in coverage with an emphasis on plants of the Americas,” explains collection donor Alan Graham, professor emeritus at Kent State University and curator at the Missouri Botanical Garden. [...more]
Yellow lady’s slippers, watercolor by Kathleen Garness, from the National Museum of Natural History exhibit “Losing Paradise? Endangered Plants Here and Around the World,” opening Aug. 14. The exhibition, a collaborative effort between the American Society of Botanical Artists and the Natural History Museum, showcases botanical illustrations and features work from several renowned artists, including Alice Tangerini, one of the Smithsonian’s acclaimed scientific illustrators.
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