Beta-decay half-life measurements reveal evolution of nuclear shell structure

An international team of researchers has systematically measured the β-decay half-lives of 40 nuclei near calcium-54, ...

Protein 'dark energy' provides insight into form vs. function in structure

Astronomers use the term dark energy to refer to energy in the universe that is unaccounted for by ordinary matter but ...
Proceedings of the National Academy of Sciences (PNAS)

Intercalated bacterial biofilms are intrinsic internal components of calcium-based kidney stones

Calcium oxalate stones comprise greater than 70% of all kidney stones. In the current conceptual framework, the initial stone ...
The White House

The Legislative Branch

Established by Article I of the Constitution, the Legislative Branch consists of the House of Representatives and the Senate, which together form the United States Congress. The Constitution grants ...