Scientists are hanging rhinos upside-down from helicopters – here’s why

Each year, a selection of apparently weird and pointless scientific experiments receive the Ig Nobel Prize. Awarded by the science humour magazine Annals of Improbable Research, the prize honours projects that “first make people laugh, and then make them think”. A recent study that suspended rhinos upside-down by their ankles from a helicopter must have been a shoe-in for the award’s judges, securing the 2021 Ig Nobel Transportation Prize. But while hanging rhinos produce spectacularly absurd photographs, behind the award and the study lies a serious business. Rhinos are in trouble. There are five species of rhino, and all are…

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