A toucan is treated at the Ibama's Animal Recovery Center in Seropedica, state of Rio de Janeiro, Brazil on July 18, 2017. AFP Contributor AFP via Getty Images In 1970, a primatologist named Adelmar ...
As a boy growing up in Brazil 40 years ago, Marc A. Meyers marveled at the lightweight toughness of toucan beaks that he occasionally found on the forest floor. Now a materials scientist and professor ...
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