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  2. Iron ore - Wikipedia

    en.wikipedia.org/wiki/Iron_ore

    Metallic iron is virtually unknown on the Earth's surface except as iron-nickel alloys from meteorites and very rare forms of deep mantle xenoliths.Although iron is the fourth-most abundant element in the Earth's crust, composing about 5%, the vast majority is bound in silicate or, more rarely, carbonate minerals, and smelting pure iron from these minerals would require a prohibitive amount of ...

  3. Tungsten - Wikipedia

    en.wikipedia.org/wiki/Tungsten

    The α phase has one third of the electrical resistivity [27] and a much lower superconducting transition temperature T C relative to the β phase: ca. 0.015 K vs. 1–4 K; mixing the two phases allows obtaining intermediate T C values. [28] [29] The T C value can also be raised by alloying tungsten with another metal (e.g. 7.9 K for W-Tc). [30]

  4. Table of specific heat capacities - Wikipedia

    en.wikipedia.org/wiki/Table_of_specific_heat...

    A Assuming an altitude of 194 metres above mean sea level (the worldwide median altitude of human habitation), an indoor temperature of 23 °C, a dewpoint of 9 °C (40.85% relative humidity), and 760 mmHg sea level–corrected barometric pressure (molar water vapor content = 1.16%).

  5. What Fitness Experts Want You to Know About Working Out While ...

    www.aol.com/fitness-experts-want-know-working...

    Thankfully, muscle soreness “is completely normal” to experience after working out, says Kristina Welsome P.T., D.P.T., O.C.S., C.F.M.T., M.T.C., assistant professor of clinical therapy at New ...

  6. Undecided races of the 2024 election: Live results and analysis

    www.aol.com/undecided-races-2024-election-live...

    The presidential race between former President Donald Trump and Vice President Kamala Harris has been decided, but there are still several downballot races where the winner isn't yet apparent.

  7. Tariff-happy presidents are not what the Constitution envisioned

    www.aol.com/tariff-happy-presidents-not...

    A version of this story appeared in CNN’s What Matters newsletter. To get it in your inbox, sign up for free here.. Anyone who had any doubt that Donald Trump’s love of tariffs is true should ...

  8. Rare-earth element - Wikipedia

    en.wikipedia.org/wiki/Rare-earth_element

    The rare-earth elements (REE), also called the rare-earth metals or rare earths, and sometimes the lanthanides or lanthanoids (although scandium and yttrium, which do not belong to this series, are usually included as rare earths), [1] are a set of 17 nearly indistinguishable lustrous silvery-white soft heavy metals.

  9. Grandma of 12 Breaks World Record by Doing 1,575 Push-Ups in ...

    www.aol.com/grandma-12-breaks-world-record...

    A Canadian grandmother of 12 recently broke her second world record of the year — and this time, her incredible feat involved doing over 1,500 push-ups. DonnaJean Wilde, ...