Giant 'toothed' birds flew over Antarctica 40 million to 50 million years ago
Paleontologists have discovered fossil remains belonging to an enormous 'toothed' bird that lived for a period of about 60 million years after dinosaurs.
Peter A. Kloess, Doctoral Candidate, Integrative Biology, University of California, Berkeley
• conversation
Oct. 27, 2020 • ~7 min
Oct. 27, 2020 • ~7 min
birds asteroid dinosaurs extinction fish fossils reptiles jaws specimens ice-age antarctica ice new-zealand ducks earth snow museums penguins squid marsupials skeleton southern-ocean continents cretaceous-period natural-history 1980s pterosaurs vultures southern-hemisphere albatross university-of-california-berkeley
Marie Tharp pioneered mapping the bottom of the ocean 6 decades ago – scientists are still learning about Earth's last frontier
Born on July 30, 1920, geologist and cartographer Tharp changed scientific thinking about what lay at the bottom of the ocean – not a featureless flat, but rugged and varied terrain.
Suzanne OConnell, Professor of Earth & Environmental Sciences, Wesleyan University •
conversation
July 28, 2020 • ~10 min
July 28, 2020 • ~10 min
earth-science geology women-in-science women plate-tectonics maps mapping oceans cartography continents ocean-floor geosciences seamounts marine-geology continental-shelf
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