National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

Biophysical methods are techniques to study the structure, properties, dynamics or function of biomolecules at an atomic or molecular level. They encompass a range of techniques including microscopy, ...

Applications of rapidly advancing sequencing technology exacerbate the need to interpret individual sequence variants. Sequencing of phenotyped clinical subjects will soon become a method of choice in ...

These must report preliminary research findings that are highly original, of immediate interest and are likely to have a high impact. Communications are given priority treatment, are fast-tracked ...

Hormonal birth control may increase anxiety, depression, and stress for some, while others may notice no changes or even positive effects. Hormonal methods may influence your physical health by ...

This is called repeated addition. You add the same number lots of times. This can also be written as a multiplication calculation. There are five equal groups of two. The five represents the number of ...