Astronauts may have a particular affinity for Tabasco sauce in space because their sense of smell and taste is distorted. John Rose/NPR hide caption

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The Delboeuf illusion makes one dot appear larger than the other. But they're the same size. Your brain is misled by comparing the dots to the surrounding circles. Washiucho/Wikimedia Commons hide caption

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Chef Jose Andres at his avant garde Minibar restaurant in Washington. Andres' experiments with gelatins have helped make him one of the most innovative chefs in the country.

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The miracle fruit from West Africa has a chemical that binds to and boosts sweet taste receptors in the presence of acidic foods. Courtesy of Keiko Abe hide caption

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