Wash your hands thoroughly for at least 20 seconds -- that's the key advice from the World Health Organization during the coronavirus outbreak. This is commonly touted as the length of time it takes to sing "Happy Birthday" twice, and while that's a...
Time your handwashing with a do-it-yourself Spotify soap dispenser
Wash your hands thoroughly for at least 20 seconds -- that's the key advice from the World Health Organization during the coronavirus outbreak. This is commonly touted as the length of time it takes to sing "Happy Birthday" twice, and while that's a...