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19 hours ago · The freshwater diatom Didymosphenia geminata, commonly known as Didymo, causes severe environmental degradation in water-courses where it blooms, producing large quantities of a brown jelly-like material called "brown snot" or "rock snot". This diatom is native to Europe and is an invasive species both in the antipodes and in parts of North ...
- Diatomaceous Earth
A sample of food-grade diatomaceous earth Scanning electron...
- Bodélé Depression
View upwind of Bodélé Depression, oblique northeasterly view...
- Diatomaceous Earth
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19 hours ago · A paleontologist at work at John Day Fossil asses National Monument. Paleontology (/ ˌ p eɪ l i ɒ n ˈ t ɒ l ə dʒ i, ˌ p æ l i-,-ən-/ PAY-lee-on-TOL-ə-jee, PAL-ee-, -ən-), also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene epoch (roughly 11,700 years before present).
19 hours ago · CB Navy Yard Bougainville with the Seabee Expression 3rd Marine Div. 2nd Raider's sign on Bougainville. 53rd CB was the shore party to the 2nd Raiders of Green Beach, D-Day. United States Naval Construction Battalions, better known as the Navy Seabees, form the U.S. Naval Construction Forces (NCF).
