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  The amonite can be seen in the bottom right of the piece of amber. Credits: Nigpas   An “extremely rare” marine organism discovered in a 99-million-year-old piece of amber is helping researchers put together what ancient ecosystems once looked like during the time of the dinosaurs. The fingernail-sized ammonite was found in a hunk of amber along with at least 40 other individual organisms that once lived on land or in the sea during the mid-...
      Fonte: Correio dos Açores (08-05-2019)  
  An oceanic plate dives beneath another in an illustration of a subduction zone. Studies of tectonic activity off the coast of Portugal may reveal a new subduction zone being born. Credit: Illustration by National Geographic, Art: Tomás Müller, Graphic Editors: Manuel Canales, Mathew Chwastyk, Research: Ryan Williams     Something strange is happening off the coast of Portugal, and scientists have now proposed a groundbreaking explanation. For...