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The Living Coast Discovery Center is a zoo and public aquarium in Chula Vista, California. An environmental education center, it is located in the Sweetwater Marsh Unit of San Diego National Wildlife Refuge. Permanent displays at the Living Coast focus on native animals and plants found in Southern California and San Diego Bay. [1]
The Living Coast Discovery Center is located in the Sweetwater Marsh Unit adjacent to the administrative headquarters for the US Fish and Wildlife Service. The center features exhibits of marine life, birds and plants found at San Diego Bay, and partners with the refuge to offer environmental education programs. There are 1.5 miles of trails ...
The actinium isotope 227 Ac is a transient member of the uranium-actinium series decay chain, which begins with the parent isotope 235 U (or 239 Pu) and ends with the stable lead isotope 207 Pb. The isotope 228 Ac is a transient member of the thorium series decay chain, which begins with the parent isotope 232 Th and ends with the stable lead ...
Actinium-225 is a member of the radioactive neptunium series; [60] it was first discovered in 1947 as a decay product of uranium-233 and it is an α-emitter with a half-life of 10 days. Actinium-225 is less available than actinium-228, but is more promising in radiotracer applications. [30]
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 ...
The Spanish ships San Antonio and San Carlos landed ship's boats at the site in 1769, looking for fresh water on the San Diego River, on their San Diego expedition. San Antonio arrived in San Diego Bay on April 11, 1769, and San Carlos on April 29. They came ashore on May 1, 1769, and set up a base camp on May 14.
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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 ]