polar vortex

Polar Vortex may have killed off majority of stink bugs, experts find
Researchers say the recent Polar Vortex may have killed 95% of stink bugs that hadn't found shelter to stay warm.
Wisconsin fire chief's beard freezes while fighting fire
Polar vortex: Iowa college student found dead on campus
What is a polar vortex?
Why is it about to get so cold in much of the country?
More Stories
Wisconsin fire chief's beard freezes while fighting fire
Polar vortex: Iowa college student found dead on campus
What is a polar vortex?
Why is it about to get so cold in much of the country?