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  2. Isotopocule - Wikipedia

    en.wikipedia.org/wiki/Isotopocule

    Isotopocule" is also an umbrella term for the more specific terms "isotopologue" and "isotopomer", coined by Jan Kaiser and Thomas Röckmann in 2008. [2] [3]

  3. Isotopologue - Wikipedia

    en.wikipedia.org/wiki/Isotopologue

    Measurement of the abundance of clumped isotopes (doubly substituted isotopologues) of gases has been used in the field of stable isotope geochemistry to trace equilibrium and kinetic processes in the environment inaccessible by analysis of singly substituted isotopologues alone.

  4. List of radioactive nuclides by half-life - Wikipedia

    en.wikipedia.org/wiki/List_of_radioactive...

    This page lists radioactive nuclides by their half-life.

  5. Isotopomer - Wikipedia

    en.wikipedia.org/wiki/Isotopomer

    Isotopomers of isotopically modified ethanol. The molecule at the bottom left is not an isotopomer of any other depicted molecule. Isotopomers or isotopic isomers are isomers which differ by isotopic substitution, and which have the same number of atoms of each isotope but in a different arrangement.

  6. Building blocks of life found in samples from asteroid Bennu

    www.aol.com/news/building-blocks-life-found...

    Rock and dust samples retrieved by NASA from the asteroid Bennu exhibit some of the chemical building blocks of life, according to research that provides some of the best evidence to date that ...

  7. NYT ‘Connections’ Hints and Answers Today, Tuesday, February 18

    www.aol.com/nyt-connections-hints-answers-today...

    If you've been having trouble with any of the connections or words in Tuesday's puzzle, you're not alone and these hints should definitely help you out. Plus, I'll reveal the answers further down ...

  8. Isotope dilution - Wikipedia

    en.wikipedia.org/wiki/Isotope_dilution

    The Hungarian chemist George de Hevesy was awarded the Nobel Prize in Chemistry for development of radiotracer method, which is a forerunner of isotope dilution

  9. Airbnb, Lyft and Uber are offering free housing and rides to ...

    www.aol.com/finance/airbnb-lyft-uber-offering...

    Airbnb, Lyft and Uber are helping those displaced by the devastating wildfires in Southern California, which have already destroyed almost 2,000 buildings and forced 130,000 people to evacuate ...