A similar invasion occurred in 1966, after a boy returning from a Hawaiian vacation brought back three snails that were eventually released into the Florida wild. Within seven years, the population had bloomed to 17,000.
Roads & Kingdoms
Life After ISIS The Northern Iraqi city of Sinjar has been recaptured from ISIS, but it’s a long way from back to normal.
What Happened at Slate This Week? Stuff to read when you need to escape from your family gathering.
The Generic City Boring landscapes impede on our biological need for intrigue. So why are so many buildings so hideous?
The Craziest Endings in College Football History After the turkey, enjoy some classic finishes.