Medicine
Personal Protective Equipment (PPE)
Quick fact
The first documented use of PPE dates back to the 16th century when plague doctors wore a beaked mask filled with aromatic herbs, believing it would purify the air and protect them from the 'miasma'.
Why this is interesting
You've seen doctors and nurses in surgical masks and gloves, but why do they also wear face shields, gowns, and sometimes even full-body suits? The answer lies in a simple yet powerful idea: creating a barrier between a person and invisible dangers.