The two particular broods of cicadas we're set to see this year only cross paths like this every 221 years.

The two particular broods of cicadas we're set to see this year only cross paths like this every 221 years.

The two particular broods of cicadas we're set to see this year only cross paths like this every 221 years.

Even if the summer heat has limited your time outdoors, I bet you’re still hearing a familiar insect song. It’s the mating call of dog day cicadas, loud enough to rise above the drone of air conditioners and so persistent and widespread that it's almost unmissable

Even if the heat and humidity of recent weeks have limited your time outdoors, I bet you’ve been hearing a familiar insect song. It’s the mating call of dog day cicadas, loud enough to rise above the drone of air conditioners and so persistent and widespread that people who hear can hardly miss it.