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Hace 1 día · Palladium is also used in electronics, dentistry, medicine, hydrogen purification, chemical applications, groundwater treatment, and jewelry. Palladium is a key component of fuel cells, in which hydrogen and oxygen react to produce electricity, heat, and water. Ore deposits of palladium and other PGMs are rare.
Hace 6 días · Therese of Lisieux, photograph, c. 1888–1896. The end of Therese's time as a postulant arrived on the January 10, 1889, with her taking of the habit. From that time she wore the "rough homespun and brown scapular, white wimple and veil, leather belt with rosary, woollen 'stockings', rope sandals". [52]
Hace 3 días · Abū Bakr al-Rāzī (full name: أبو بکر محمد بن زکریاء الرازي, Abū Bakr Muḥammad ibn Zakariyyāʾ al-Rāzī ), [a] c. 864 or 865–925 or 935 CE, [b] often known as (al-)Razi or by his Latin name Rhazes, also rendered Rhasis, was a Persian physician, philosopher and alchemist who lived during the Islamic Golden Age ...
Hace 4 días · They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were among the first life forms to appear on Earth, and are present in most of its habitats. Bacteria inhabit soil, water, acidic hot springs, radioactive waste, and the deep biosphere of Earth's crust.
Hace 6 días · Yusuf Islam (born Steven Demetre Georgiou; 21 July 1948 ), [1] commonly known by his stage names Cat Stevens, Yusuf, and Yusuf / Cat Stevens, is a British singer-songwriter and musician. He has sold more than 100 million records and has more than two billion streams. [2] His musical style consists of folk, rock, pop, and, later in his career ...
Hace 3 días · Quezon's Official Portrait in Malacañang Palace. The First inauguration of Philippine Commonwealth President Manuel L. Quezon at the steps of the Legislative Building in Manila on the 15th of November 1935. In 1935, Quezon won the Philippines' first national presidential election under the Nacionalista Party.
3 de may. de 2024 · An outbreak of tuberculosis has led to a public health emergency in Long Beach, California. City Health Officer Dr. Anissa Davis declared a public health emergency Thursday in response to the ...
