🧠 on Instagram: "A restaurant in Japan conducted a demonstration to show how quickly germs can spread through everyday interactions. In the experiment, one participant’s hand was coated with a fluorescent substance to simulate germs. After 30 minutes of dining, sharing utensils, and moving around the restaurant, the substance had spread to plates, door handles, food trays, and several other guests. The spread became clearly visible under UV light. The demonstration shows how easily microorganis