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Why Birds Fly In a V Formation
sciencehabit writes "Anyone watching the autumn sky knows that migrating birds fly in a V formation, but scientists have long debated why. A new study of ibises — where researchers took to microlight planes and recorded birds strapped with GPS in-flight — finds that these big-winged birds carefully position their wingtips and sync their flapping, presumably to catch the preceding bird's updraft and save energy during flight."
which was done decades ago, I laughed at the 80s mention, I was taught as child in the 60s and in 70s this was popular science fair homemade wind tunnel experiment.
About once a month slashdot runs article on "discovery" or "invention" that is decades old