NPR – Lulu Garcia-Navarro
“As a new parent, Jack Gilbert got a lot of different advice on how to properly look after his child: when to give him antibiotics or how often he should sterilize his pacifier, for example. After the birth of his second child, Gilbert, a scientist who studies microbial ecosystems at the University of Chicago, decided to find out what’s actually known about the risks involved when modern-day children come in contact with germs.” (more)