For the first time, astronomers have detected the presence of arsenic and selenium, neighboring elements near the middle of the periodic table, in an ancient star in the faint stellar halo that ...
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From sulfur to selenium, calcium to copper, here's what your body's made of, and why it matters
In my youth, I spent an unreasonable amount of time questioning why A-level chemistry was a prerequisite for medical school. Why was it as essential as biology? Why did I need to learn about electrons ...
Dan Baumgardt does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...
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