In a truly vintage science experiment, researchers trained rats to identify Riesling and Sauvignon Blanc wines by scent, revealing the rodents can differentiate grape varieties without ever sipping a drop. Wine tasting just got a lot more competitive—especially for those with whiskers and tails seeking sommelier certification. "Rats Learn to Distinguish Riesling from Sauvignon Blanc" is now the weirdest wine tasting story fermenting online.

When researchers swapped brands and vintages, the rats still nailed their wine ID test—proving their nose for Sauvignon Blanc and Riesling isn’t just learned, it’s legit. “Wine tasting rats” is the viral animal science story sommeliers never saw coming.