Nuclear fission – the physical process by which very large atoms like uranium split into pairs of smaller atoms – is what ...

Strassmann 1 have discovered a new type of nuclear reaction ... Thus they demonstrated the production of nuclei of barium, lanthanum, strontium, yttrium, and, more recently, of xenon and cæsium.

They are called "barium stars" because of how much barium they contain. The stars were first discovered in 1951 when astronomers William P. Bidelman and Philip Keena noticed high levels of barium ...

A recent study published in the Journal of Archaeological Science has revealed the discovery of a new color in the chromatic ...