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Many of us have taken a COVID-19 test. But, have you ever wondered, after your sample goes off to a lab, exactly how they arrive at a positive or negative
When you eat plants or meat, you’re also eating a tiny amount of that plant or animal’s DNA. But what happens to that plant or animal DNA when you cook the food
The levels of contaminants in our food supply are, generally, decreasing, but we still need to make sure our food is safe. And measuring tiny things (and big