A flesh-eating parasite that once wreaked havoc on cattle in the US has resurfaced after decades. The notorious screwworm has been detected on a handful of Texas farms, and experts say its return will likely keep beef prices elevated for grocery shoppers.

Here’s what else you need to know to get up to speed and on with your day.

Voters in four states head to the polls today to choose the candidates who will compete in November’s midterm elections. Here’s a closer look at some of the key races:

Maine: Among the most closely watched contests is Maine’s Senate race, where incumbent Republican Sen. Susan Collins is seeking another term. Democrat Graham Platner is expected to win his party’s nomination despite growing scrutiny over allegations about his past treatment of women and a recent extramarital sexting scandal.

WATCH: Women in Maine have mixed feelings about Graham Platner