EditorialCement mix containing calcium carbonate, produced from the carbon dioxide from the boilers at a Manhattan apartment building, at Glenwood Mason Supply, a concrete plant in Brooklyn, on Feb. 15, 2023. (Hiroko Masuike/The New York Times)
EditorialCement mix containing calcium carbonate, produced from the carbon dioxide from the boilers at a Manhattan apartment building, at Glenwood Mason Supply, a concrete plant in Brooklyn, on Feb. 15, 2023. (Hiroko Masuike/The New York Times)
EditorialMany doctors recommend a coronary calcium scan to pinpoint which patients would benefit from treatment to reduce their cardiovascular risk. (Rachel Levit/The New York Times)
EditorialRound pot with wide bottom. Neck widened conically. Round vaulted mouth. On the shoulder three horizontal ears., Vase, pot, gypsum stone, calcium sulphate, 8.5 cm, LC II B - II C -1400.
EditorialLittle egret, standing in shallow water, with reed., Ohara Koson (mentioned on object), 1900 - 1930, paper, calcium oxide, colour woodcut, h 242 mm ? w 250 mm.
EditorialPharmaceutical advertising Decalton, calcium gluconate tablets, from Laboratorios Ibys. Young teenagers practicing the sport of basketball. 1950s.
EditorialA moringa tree, a fast-growing, drought-resistant variety rich in vitamins, protein, calcium and iron, in the Sahrawi settlement in the Algerian desert, Jan. 31, 2020. (Matteo de Mayda/The New York Times)
EditorialGlass Positive - 'Solar Prominences, Calcium (H) Spectroheliograms', circa 1910, Glass slide of photographs of solar prominences, taken 1910, and reproduced from a book or article. It is part of a collection of eighteen astronomical black and white pho...
EditorialLittle egret, standing in shallow water, with reed., Ohara Koson (mentioned on object), 1900 - 1930, paper, calcium oxide, colour woodcut, h 242 mm ? w 250 mm.
EditorialAcetylene gas, its nature, properties and uses; also calcium carbide, its composition, properties and method of manufacture : Thompson, George Frederick.
EditorialPharmaceutical advertising Decalton, calcium gluconate tablets, from Laboratorios Ibys. Young teenagers practicing the sport of basketball. 1950s.
EditorialTubipora musica, Print, The Organ pipe coral (Tubipora musica) is an alcyonarian coral native to the waters of the Indian Ocean and the central and western regions of the Pacific Ocean. It is the only known species of the genus Tubipora. This species i...
EditorialTubipora musica, Print, The Organ pipe coral (Tubipora musica) is an alcyonarian coral native to the waters of the Indian Ocean and the central and western regions of the Pacific Ocean. It is the only known species of the genus Tubipora. This species i...
EditorialCeremonial Handle (?), 7th?9th century, Mexico or Guatemala, Mesoamerica, Maya, Jade (jadeite/omphacite), H. 5 1/2 x 1 1/8 x 1 3/4 in. (14 x 2.8 x 4.5 cm), Stone-Sculpture, This is a fragment representing the handle of a Classic Maya (ca. AD 250-900) s...
EditorialPharmaceutical advertising Decalton, calcium gluconate tablets, from Laboratorios Ibys. Young teenagers practicing the sport of basketball. 1950s.
EditorialPamukkale, in Turkish " Cotton Fortress", is a plateau formed by the travertine deposits of the calcium-oxide bearing waters of a stream coming from the slope of Caldag-Mountain. It is the site of Hierapolis, a Roman and Early Christian settl...
EditorialPamukkale, in Turkish " Cotton Fortress", is a plateau formed by the travertine deposits of the calcium-oxide bearing waters of a stream coming from the slope of Caldag-Mountain. It is the site of Hierapolis, a Roman and Early Christian settl...