South America

Dragonflies: Blue wings disappear against water

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The way light reflects off morpho dragonflies’ bright blue wings helps the insects blend in with water when viewed from above, making them invisible to predators and prey Life 3 March 2022 By Jake Buehler The bright wings of morpho dragonflies can also keep the insects hidden Shutterstock/guentermanaus With dazzling blue iridescent wings, male morpho … Read more

Archaeology: Ancient Andean leaders may have mixed hallucinogen with their beer

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A concoction of vilca seeds and fermented alcohol may have provided a mild hallucinogenic experience, enabling Wari leaders in South America to bond with their people Humans 12 January 2022 By Michael Marshall Anadenanthera colubrina, a tree species common to nearly all regions of South American Matt Lavin/Flickr Get high, make friends. Members of the … Read more