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Hace 2 días · Cataract surgery is the most common application of lens removal surgery, and is usually associated with lens replacement. It is used to remove the natural lens of the eye when it has developed a cataract, a cloudy area in the lens that causes visual impairment. [4] [10] Cataracts usually develop slowly and can affect one or both eyes. [4]
Hace 5 días · e. The scientific method is an empirical method for acquiring knowledge that has characterized the development of science since at least the 17th century. The scientific method involves careful observation coupled with rigorous scepticism, because cognitive assumptions can distort the interpretation of the observation.
Hace 1 día · Ants are eusocial insects of the family Formicidae and, along with the related wasps and bees, belong to the order Hymenoptera. Ants evolved from vespoid wasp ancestors in the Cretaceous period. More than 13,800 of an estimated total of 22,000 species have been classified.
Hace 2 días · Kaliningrad (/ k ə ˈ l ɪ n ɪ n ɡ r æ d / kə-LIN-in-grad; Russian: Калининград, IPA: [kəlʲɪnʲɪnˈɡrat]), until 1946 known as Königsberg (German pronunciation: [ˈkøːnɪçsbɛʁk] ⓘ; Russian: Кёнигсберг, romanized: Kyonigsberg, IPA: [ˈkʲɵnʲɪɡzbʲerk]; Polish: Królewiec), is the largest city and administrative centre of Kaliningrad Oblast, a Russian ...
Hace 4 días · Newton's first law expresses the principle of inertia: the natural behavior of a body is to move in a straight line at constant speed. A body's motion preserves the status quo, but external forces can perturb this. The modern understanding of Newton's first law is that no inertial observer is privileged over any other.
Hace 4 días · Les Misérables (/ l eɪ ˌ m ɪ z ə ˈ r ɑː b (əl),-b l ə / lay MIZ-ə-RAHB(-əl), - RAH-blə, French: [le mizeʁabl]), colloquially known as Les Mis or Les Miz (/ l eɪ ˈ m ɪ z / lay MIZ), is a sung-through musical with music by Claude-Michel Schönberg, lyrics by Alain Boublil and Jean-Marc Natel, and a book by Schönberg and Boublil, based on the 1862 novel of the same name by ...
Hace 5 días · An American auctioneer using auction chant at a livestock auction, November 2010. An auction is usually a process of buying and selling goods or services by offering them up for bids, taking bids, and then selling the item to the highest bidder or buying the item from the lowest bidder. Some exceptions to this definition exist and are described ...
