The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its fruit ripens. For the ...

Like platypuses, echidnas are monotremes, which means they're mammals that lay eggs. Echidnas lay one egg at a time, and those eggs take 10 to 14 days to hatch.

Big-box store Costco COST is a case in point. The company is focusing on lower prices on key essentials like eggs, butter and olive oil, while stocking up on U.S.-made goods.