Six shocking surfaces that are cleaner than your smartphone
- 7 years ago
The average smartphone has around 25,000 bacteria per square inch (BPSI). Their warm batteries make the perfect breeding ground for pathogens and viruses. Here are six surfaces that are actually Public Toilet: 1,201 BPSI ATM: 4,500 BPSI Doorknob: 8,643 BPSI Pet Food Dish: 2,110 BPSI Kitchen Counter: 1736 BPSI Airplane Tray Table: 2,155 BPSI