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 ...

Jack Callan is a professional jockey. This page includes statistics, form, news, photos, career performance, trainer, track and race course statistics. Compare detailed statistics for Jack Callan ...

Computational models are mathematical models used to numerically study the behaviour of complex systems by means of a computer simulation. A computational model can be used to make predictions of the ...

Make yourself at ease with Japanese through this series of lessons. Tune in each week for a 10-minute episode or look for it online. Across 48 weeks, you'll learn the basic of the language and be ...