(AP) -- Phil DeVore pulls a folded piece of aluminum from a murky pond. The aluminum looks like a piece of siding that's blown off a building, but DeVore knows it's much more valuable than that. He slips a rubber band off the aluminum and unfolds it. He likes what he sees -- 50 or 60 glistening black leeches. They're your common ribbon leeches, Nephelopsis obscura to aquatic biologists.
Storing Used Oil. Used oil can be successfully stored in a cool, dark place for up to a month. Refrigeration or freezing increases the oilâs lifespan by several months. The oil may become cloudy during storage but this is not harmful and the oil will become clear upon reheating.
1 Palm oil can last for several months. 2  Peanut oil (refined) will last for two years. 3  Vegetable oil can last for a year or longer as long as it is tightly covered.  Olive oil may be kept in the cupboard (at temperatures between 57Â°F and 70ÂºF (14Â°C and 21ÂºC) for up to 15 months.