A kitchen sponge is not your enemy. But it can be very dirty. Last week, scientists published a study revealing how densely packed your dirty kitchen sponge is with microscopic bacteria. After I wrote an article about their work, readers flooded my inbox with good questions, so I asked around for some answers.
"We Need to Talk Some More About Your Dirty Sponges" is from the August 11, 2017 Science section of The New York Times. It was written by Joanna Klein and narrated by Kristi Burns.