Invasion of the cicadas
Over the next few weeks, residents on the East Coast will find themselves tree trunk deep in thousands of loudly chirping cicadas. This is the red-letter year for “Brood X” – that’s the Roman numeral 10, not the letter “X” – which is the largest of the groups of cicadas that emerge once every 17 years. And just how do the cicadas know its been 17 years? Experts don’t know, exactly. The cicadas know. But they’re not talking ...
