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Aboriginal astronomy: The science of mapping the sky and the seasons A new generation of stargazers are exploring how their ancestors used the night sky to thrive and survive in the Australian ...

Alexander M., 16, writes about his experiences growing up in Russia “as Putin’s tyranny strengthened” — and the lesson he took away. By The Learning Network To participate, submit your ...

Medical news, education and information for physicians and health care professionals, presented by specialty and topic. From Healio and the Wyanoke Group.