Upside-down rhinos and nose-clearing orgasms: 2021's Ig Nobel winners announced – video

Groundbreaking studies into how well beards soften punches to the face, the benefits of transporting rhinoceroses upside down, and orgasms as a nasal decongestant have taken one of the most coveted awards in science: the Ig Nobel prize. Not to be confused with Nobel awards, the Ig Nobels celebrate the quirkier realms of science, rewarding research that first makes people laugh and then makes them think

• Upside down rhinos and nose-clearing orgasm studies win Ig Nobel prize