Sour foods are often avoided by mammals, but many birds regularly feed on highly acidic fruits. Evolution has provided them with a clever strategy to eat extremely acidic fruit.

Birds have evolved a unique tolerance for sour foods by rewiring a key taste receptor, reshaping their diets and ecosystems.

Extremely sour foods can also have harmful consequences: In April, a 10-year-old girl in the U.K. suffered burns in her throat after ingesting supersour candy she saw in a TikTok video.

How do the berries make sour foods taste sweet? The secret to the miracle berry's magic lies in a protein called miraculin, according to data published in Heliyon.

Combining milk with certain foods can hinder digestion and nutrient absorption, according to both Ayurveda and modern studies ...