Salt may be the most routine ingredient in the world. It would be difficult to find a kitchen without it in some form. Table salt is the most common, and it comes from extracted salt from underground ...

The quantity of thorium lead per gram of thorium is 0.0062, and this, divided by the rate at which the lead is being produced, 4.72 x l^—11 grams of lead per gram of thorium per year, gives the ...

For example, Lead is a chemical element with the symbol Pb (from the Latin for lead, plumbum).W stands for tungsten (from the word wolfram) and Na stands for sodium (from the word natrium).

Since Mendeleev's time, scientists have discovered new elements, expanding the periodic table. The most recent additions include nihonium, moscovium, tennessine, and oganesson, which were officially ...

In the European Physical Journal Plus, Rafelski and two colleagues mathematically demonstrated that the existence of CUDOs (compact ultra dense objects) do not have dark matter, but are filled with ...

Since the turn of the century, six new chemical elements have been discovered and subsequently added to the periodic table of elements, the very icon of chemistry. These new elements have high ...

Multiple telescopes observed a rare cosmic explosion called a kilonova that created heavy elements in space, including some necessary for life.