(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.
Toasted sesame oil is usually sold in small bottles, as it is very strongly flavored. Because sesame oil has a high amount of antioxidants, it can be stored for long periods of time before turning rancid. Regardless, oil should always be stored in a cool, dark place, away from sunlight.Always be sure to store oil in an air-tight container to prevent exposure to oxygen, insects, and other debris.There is no definitive guide for how long sesame oil will stay fresh, as it is largely determined by a variety of storage conditions.esame oil is expressed from the seed of the sesame plaint. There are multiple varieties on the market today, each offering unique cooking properties and flavors. Sesame oils are a common ingredient in Asian cuisine, but have also begun to gain popularity in the United States.