hawk

Black Hawk: Uncrewed helicopter takes to the skies for the first time

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The UH-60 Black Hawk, workhorse of US Army aviation, was flown with no crew for the first time this week, after being fitted with an automated flying system Technology 9 February 2022 By David Hambling A UH-60 Black Hawk helicopter during its first uncrewed flight on 5 February 2022 Ted Carlson/Sikorsky Aircraft The US Defense … Read more

Fear of predators means sparrows struggle to raise chicks to adulthood

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Sparrows on a collection of Canadian islands change their behaviour when they fear predators are nearby, and an experiment shows this reduces their ability to raise their offspring to adulthood Life 7 February 2022 By Luke Taylor Song sparrow (Melospiza melodia) in British Columbia, Canada Jess Findlay/BIA/Minden/Naturepl.com The fear of predators alone is enough to … Read more