Scientists are experimenting with sound to try and lure seabirds back to depleted environments. But not just any sounds – we're talking about the coos and calls associated with breeding. It's all part of an ecological approach called Acoustic Restoration and its already having an impact on Palmyra Atoll – a remote island halfway between Hawaii and American Samoa. It's hoped the acoustic approach can revive many different kinds of ecosystems, even after natural disasters — when nothing is left. Also, why machine learning is causing a reproducibility crisis in Science; and ongoing research into 3D-printing food.
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