Science, beyond the headlines
Clear, evidence-based answers about food, health, biology, and emerging science
Featured
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How Long Does Cooked Rice Last in the Fridge?
How long does cooked rice last in the fridge? Properly cooled and refrigerated rice is best used within 3 to 4 days for safe storage and quality.
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Food Poisoning vs Stomach Bug: How to Tell the Difference
Food poisoning vs stomach bug can cause similar symptoms, but timing, exposure, and how the illness spreads can help reveal the difference.
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Why Does Poop Smell? The Chemistry Behind the Odor
Why does poop smell? Gut bacteria create sulfur compounds and other volatile chemicals. Learn what changes the odor and when smelly stool matters.
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Why Does Your Stomach Growl? It Isn’t Just Hunger
Why does your stomach growl? Gas and liquid moving through the intestines usually cause the sound. Learn why hunger makes it louder and when to seek advice.
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How Long Can Ground Beef Last in the Fridge?
How long can ground beef last in the fridge before it should be cooked or frozen? Raw ground beef should be cooked or frozen within 1 to 2 days, while cooked ground beef lasts longer and can be kept for 3 to 4 days.
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Does Honey Expire or Just Change With Age?
Does honey expire or just crystallize? Learn why honey lasts for years, how to spot fermentation, and how to store it without losing flavor.
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Should You Wash Raw Chicken Before Cooking?
Should you wash raw chicken before cooking? It may feel cleaner, but rinsing can spread bacteria around your kitchen. Here’s what to do instead.
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What Is Déjà Vu? What Research Tells Us
What is déjà vu? It’s the eerie feeling of remembering something that never happened — a false signal of familiarity that doesn’t actually predict what comes next.
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Fried Rice Syndrome: Is Reheating Rice Dangerous?
Fried rice syndrome is not really about fried rice. It is a type of food poisoning caused by a bacterium that survives cooking and grows in improperly stored food.
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What Are Seed Oils? Are They Bad for You?
What are seed oils, and why have they become so controversial? Here’s what the evidence actually shows.
