Do Plastic Food Jars Keep Snacks Fresh for Longer? Last Sunday, Ayesha was preparing tea for guests in her Karachi home. She opened her cabinet and found the biscuits inside a glass jar, soft and stale. Frustrated, she said, “Why does this keep happening? I stored them properly!” Her mother, amused, handed her a different jar filled with Nimco still crisp and perfectly fresh.
Ayesha was surprised.
“What jar is this?”...