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The Cerutti Mastodon site is a paleontological and possible archeological site in San Diego County, California. In 2017, broken mastodon bones at the site were dated to around 130,700 years ago. The bones were found with cobblestones displaying use-wear and impact marks among the otherwise fine-grain sands.
This is a list of museums in San Diego County, California, defined for this context as institutions (including nonprofit organizations, government entities, and private businesses) that collect and care for objects of cultural, artistic, scientific, or historical interest and make their collections or related exhibits available for public ...
Children's Discovery Museum of North San Diego County, Carlsbad, closed in 2006 [31] Copia, Napa, closed in 2008; Exotic World Burlesque Museum, moved from Helendale to Las Vegas, Nevada; Forrest Ackerman's Sci-Fi Mansion, Hollywood, science fiction memorabilia, closed in 2003, information; Fort Roosevelt Natural Science and History Museum ...
The Fleet Science Center is a science museum and planetarium in Balboa Park in San Diego, California. [1] Established in 1973, it was the first science museum to combine interactive science exhibits with a planetarium and an IMAX Dome (OMNIMAX) theater, setting the standard that most major science museums follow today. [2]
Actinium is a soft, silvery-white, [17] [18] radioactive, metallic element. Its estimated shear modulus is similar to that of lead. [19] Owing to its strong radioactivity, actinium glows in the dark with a pale blue light, which originates from the surrounding air ionized by the emitted energetic particles. [20]
The San Diego Zooarchaeology Laboratory (SDZL) identifies faunal assemblages from archaeological sites in San Diego County, the western United States, and the ancient Near East, referencing the San Diego Natural History Museum's scientific collections. Founded in 2010, the SDZL collections include over 46,000 bird specimens and 22,650 mammals.
Warner Bros. Discovery has revealed its lineup for this year’s San Diego Comic-Con which runs July 21-24. On the schedule is a panel for the HBO original series House of the Dragon, the prequel ...
Perey announced the discovery of the never-before-seen element 87 as a note in the Comptes Rendus presented at the Académie des Sciences by Jean Baptiste Perrin on 9 January 1939 with the title "On an element 87, derived from actinium." [5] Perey's discovery was announced by Perrin, not Perey herself, because she was only a laboratory ...
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