Should you take off your shoes in the house? Scientists weigh in.
CBSN
Mark Patrick Taylor is Chief Environmental Scientist, EPA Victoria, and Honorary Professor, Macquarie University. Gabriel Filippelli is Chancellor's Professor of Earth Sciences and Executive Director, Indiana University Environmental Resilience Institute, IUPUI.
You probably clean your shoes if you step in something muddy or disgusting (please pick up after your dog!). But when you get home, do you always de-shoe at the door?
Chaos erupted overnight as police tried to break up a pro-Palestinian encampment at Emerson College in Boston, the latest flashpoint in a growing movement on college campuses around the country protesting Israel's war against Hamas in Gaza. Hundreds of people have been arrested in Massachusetts, Texas and California during the tense protests, following several rounds of arrests in New York in recent days.