Jean-Baptiste Oudry, "Belphagore" (1734), brush and black ink, gray wash, heightened with white gouache, on blue paper; 12 1/4 x 10 1/4 inches (image via public domain, all images courtesy Getty ...

Blue light has acquired a dubious reputation in recent years, frequently blamed for everything from disrupted sleep patterns to digital eye strain. This high-energy light, emitted abundantly by our ...

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A new study suggests the way a language divides up color space can be influenced by contact with other languages. Tsimane' people who learned Spanish as a second language began to classify blue and ...