What's Trending: Underwear in a hotel coffee maker ... and a flying cat road sign in Japan?

A viral travel hack has left people stunned. A US influencer shared a video suggesting travellers could wash their underwear in a hotel room coffee maker. Genius shortcut or completely unhygienic?  Then, we shift gears to road signs, from familiar traffic signs in Singapore to a surprising and very real warning sign in Japan featuring cats. What does it mean, why does it exist, and should Singapore have one too? From hotel rooms to highways, from hygiene debates to hilarious road signs, Hongbin Jeong, Nadiah Koh and Alexandra Parada break down the stories on What's Trending. See omnystudio.com/listener for privacy information.