The sun's ultraviolet rays are 2.5 times more dangerous in snow than on the beach, according to a new Japanese study. Scientists found that human eyes were more likely to be damaged by UV rays while skiing on the slopes in snow-covered areas compared to sitting on the beach.
The study examined the effects of light reflection on freshly fallen snow on a cross country ski trail in Ishikawa Prefecture, northern Japan.
The results were compared with the levels of UV rays on an artificial sand beach in southern Japan's tropical Okinawa Prefecture.
Scientists used two mannequin head...