Residents near an abandoned military base in Michigan are worried about an unseen invader: toxic chemicals that have contaminated wells in the town of Oscoda. Now the chemicals are spreading farther -- and have even reached Lake Huron.
The Great Lakes have their own miniature version of tsunamis – more than 100 times per year. That’s according to new research led by the University of Wisconsin Madison. The name of these waves – and the danger that comes with them – are relatively unknown to those in the region.