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  1. en.wikipedia.org › wiki › YttriumYttrium - Wikipedia

    Hace 5 horas · This location is described as having "tremendous potential" for rare-earth elements and yttrium (REY), according to a study published in Scientific Reports. "This REY-rich mud has great potential as a rare-earth metal resource because of the enormous amount available and its advantageous mineralogical features," the study reads.

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  2. Hace 5 horas · Rare earth elements are vital for high-tech applications and renewable energy technologies. However, most of these elements are currently sourced from overseas, creating supply chain vulnerabilities.

  3. Hace 5 horas · If you are outside more than 15 minutes between 10 a.m. and 4 p.m., apply sunscreen to all exposed areas and reapply at least every two hours. Research sunscreens that work best for you, including ...

  4. Hace 5 horas · CommentaryOn May 14, the Biden administration announced new or increased tariffs on a raft of goods imported from China. These tariffs will apply to $18 billion worth of Chinese imports, compared to former President Donald Trump’s tariffs, which applied to $300 billion of the imports.The latest tariffs include higher tariffs on Chinese computer chips, batteries, steel, aluminum, rare earth ...

  5. en.wikipedia.org › wiki › PoloniumPolonium - Wikipedia

    Hace 1 día · Polonium is a very rare element in nature because of the short half-lives of all its isotopes. Nine isotopes, from 210 to 218 inclusive, occur in traces as decay products : 210 Po, 214 Po, and 218 Po occur in the decay chain of 238 U ; 211 Po and 215 Po occur in the decay chain of 235 U ; 212 Po and 216 Po occur in the decay chain of 232 Th ; and 213 Po and 217 Po occur in the decay chain of ...

  6. Hace 1 día · Mercury is the first planet from the Sun and the smallest in the Solar System. In English, it is named after the ancient Roman god Mercurius ( Mercury ), god of commerce and communication, and the messenger of the gods. Mercury is classified as a terrestrial planet, with roughly the same surface gravity as Mars.

  7. Hace 1 día · Economics. The tragedy of the commons is a metaphoric label for a concept that is widely discussed, and criticised, in economics, ecology and other sciences. According to the concept, should a number of people enjoy unfettered access to a finite, valuable resource such as a pasture, they will tend to over-use it, and may end up destroying its ...