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serine

(Encyclopedia)CE5 serine sĕrˈēn [key], organic compound, one of the 20 amino acids commonly found in animal proteins. Only the l-stereoisomer appears in mammalian protein. It is not essential to the human die...

Saint Paul's Cathedral

(Encyclopedia)Saint Paul's Cathedral, London, masterpiece of Sir Christopher Wren and one of the finest church designs of the English baroque. It stands at the head of Ludgate Hill, where, according to tradition, a...

chloroplast

(Encyclopedia)chloroplast klōrˈəplăstˌ, klôrˈ– [key], a complex, discrete green structure, or organelle, contained in the cytoplasm of plant cells. Chloroplasts are reponsible for the green color of almost...

albedo

(Encyclopedia)albedo ălbēˈdō [key], reflectivity of the surface of a planet, moon, asteroid, or other celestial body that does not shine by its own light. Albedo is measured as the fraction of incident light th...

Ewing, Sir James Alfred

(Encyclopedia)Ewing, Sir James Alfred yo͞oˈĭng [key], 1855–1935, Scottish engineer and physicist. As professor at Tokyo (1878–83), Dundee (1883–90), and Cambridge (1890–1903), he helped establish program...

fascia

(Encyclopedia)fascia făshˈēə [key], fibrous tissue network located between the skin and the underlying structure of muscle and bone. Fascia is composed of two layers, a superficial layer and a deep layer. Super...

Henderson, Richard, Scottish molecular biologist

(Encyclopedia)Henderson, Richard, 1945–, Scottish molecular biologist, Ph.D. Cambridge, 1969. Henderson has been a researcher at the Laboratory of Molecular Biology in Cambridge since 1973. In 2017 he was awarded...

Abraj Al-Bait

(Encyclopedia)Abraj Al-Bait, complex of seven government-owned, mixed-use buildings in Mecca, Saudi Arabia. The most impressive structure, the Makkah Royal Clock Tower, is the tallest building in Saudi Arabia, at 1...

Holmström, Bengt

(Encyclopedia)Holmström, Bengt, 1949–, Finnish economist, b. Helsinki, Ph.D. Stanford, 1978. He has spent almost all his career in academia, at Northwestern Univ. (1979–83), Yale (1983–94), and the Massachus...

Anfinsen, Christian Boehmer

(Encyclopedia)Anfinsen, Christian Boehmer, 1916–95, American biochemist, b. Monessen, Pa., Ph.D. Harvard Medical School, 1943. He spent the early years of his career in brief research and fellowship positions at ...