A molecule of nitrogen gas is made up of two nitrogen atoms.
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The American Geophysical Union and the American Geosciences Institute are Windows to the Universe Founding Partners.
NESTA welcomes new Institutional Affiliates in support of our ongoing programs, as well as collaborations on new projects.
...prehistoric archaeology occurred in 1948, when Willard F.
Libby, at the University of Chicago, developed the process of radioactive carbon dating.
Different isotopes tend to concentrate in particular organs: for example, iodine-131 settles in the thyroid gland and can reveal a variety of defects in thyroid functioning.