Chip bags are pumped full of nitrogen
All that excess air in chip bags isn't there to dupe buyers into thinking there are more chips inside. In fact, it serves a purpose—and no, it doesn't contain oxygen. Instead, chip bags are filled with nitrogen.
Oxygen would quickly turn the chips rancid...
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The wood frog can hold its pee for up to eight months.
Alaska, wood frogs go eight months without peeing. And scientists have now figured out how they do it, or more accurately, how they survive without doing it.
Recycling urea—the main waste in urine—into useful nitrogen...