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2. Scuba set - Wikipedia

   en.wikipedia.org/wiki/Scuba_set

   The word SCUBA was coined in 1952 by Major Christian Lambertsen who served in the U.S. Army Medical Corps from 1944 to 1946 as a physician. [1] Lambertsen first called the closed-circuit rebreather apparatus he had invented "Laru", an (acronym for Lambertsen Amphibious Respiratory Unit) but, in 1952, rejected the term "Laru" for "SCUBA" ("Self-Contained Underwater Breathing Apparatus"). [2]

3. Dokos shipwreck - Wikipedia

   en.wikipedia.org/wiki/Dokos_shipwreck

   These four-thousand-year-old remains were discovered by American archeologist Peter Throckmorton on August 23, 1975. [5] [6] The Dokos wreck site was extensively excavated between 1989 and 1992 by the Hellenic Institute of Marine Archaeology (HIMA). [7]

4. The 50 best Christmas gifts for everyone on your list this year

   www.aol.com/lifestyle/50-best-christmas-gifts-of...

   Best gift for 4-year-olds Melissa & Doug Pet Vet Play Set. $25 at Amazon. Best gift for 5-year-olds Science of Cooking: Ice Cream. ... If the 4-year-old on your list loves their pet (or their ...

5. Swimming - Wikipedia

   en.wikipedia.org/wiki/Swimming

   This is an accepted version of this page This is the latest accepted revision, reviewed on 1 January 2025. Self propulsion of a person through water This article is about standard human swimming. For competitive swimming, see Swimming (sport). For animal swimming, see Aquatic locomotion. For other uses, see Swimming (disambiguation) and Swimmer (disambiguation). A competitive swimmer ...

6. 'A different planet': Snorkel into 3,000-year-old underwater ...

   www.aol.com/different-planet-snorkel-3-000...

   A more than 3,000-year-old tree juts up from the silty bottom of Clear Lake in Willamette National Forest. The chemical makeup of Clear Lake allows it to live up to its name, with over 100 feet of ...

7. History of scuba diving - Wikipedia

   en.wikipedia.org/wiki/History_of_scuba_diving

   A scuba set is characterized by full independence from the surface during use, by providing breathing gas carried by the diver. Early attempts to reach this autonomy were made in the 18th century by the Englishman John Lethbridge, who invented and successfully built his own underwater diving machine in 1715, but though the air supply was carried in the diving apparatus, it relied on surface ...