For the first time, thousands of live mosquitoes are being released in a Sacramento neighborhood to help prevent disease.

A mosquito’s proboscis — the elongated part of its mouth it uses to bite humans — has two tubes. One tube is used for sucking blood from humans. The other injects saliva into the bite.

And if June's sizzling heat waves are any preview of summer's dog days, you're gonna need more than good vibes and a ...