I was at a gathering and someone suggested that a lady could rinse a cup with some alcohol because it can “kill germs” and somehow, I became annoyed. So I used that opportunity to school him a little on microorganisms 😉. I’m here to teach you too 😅 I remember when I learnt that 100% alcohol cannot kill microorganisms, but 70% can. This didn’t make sense to me. I’m like, how is that possible? 😅 In the laboratory, we use 70% alcohol (especially ethanol) to sterilize work benches, our hands, laboratory bottles, and some equipments. A lot of hand sanitizers also contain some alcohol. Scientists have established that 50-80% alcohol…
