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Home » Radio Archive » Weekly Show » Podcast

Podcast

November 20, 2009
https://podcast.scienceupdate.com/podcast/091120_sciup_pod.mp3

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Full caption for this week’s podcast image: Reconstruction. Eurasian mid Mesozoic long-proboscid scorpionflies feeding on gymnosperm ovulate organs, each with tubular access to deeper-seated rewards such as nectary-like structures or pollination drops. At right is an Early Cretaceous cheirolepidiaceous conifer host, the ovulate cone of Alvinia bohemica, nectared by Vitimopsyche kozlovi, a mesopsychid with an approximately 9 mm long proboscis. At left is the smaller, Middle Jurassic Pseudopolycentropus janeannae, a pseudopolycentropodid with a 2–3 mm long proboscis, feeding on a fructification of the caytoniaceous seed-fern, Caytonia sewardi. Drawing by Mary Parrish, Department of Paleobiology of the National Museum of Natural History, Smithsonian Institution.

Category: Weekly ShowTag: Animal Behavior, Biology, Genetics & Evolution, Marine Science, Materials Science, Medicine & Health, Microbiology, Nutrition & Food Science, Paleontology & Dinosaurs, Plants & Agriculture, Reality Check
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