
Not sure what it’s doing on LiveScience.com, but it’s a decent article.
We covered this in more theological detail some time back.
Update: and there is now an episode of the trinities podcast devoted to the theological significance of the Council of Nicea in 325.
Related posts:

As easy answer to: What is "the" Trinity doctrine?

trinitarian or unitarian? 5 – Origen's Against Celsus - Part 1

podcast 113 - the council at Antioch in 341

Is Jesus God? @TheOfficerTatum vs. Whaddo You Meme??

Boyd on Incarnation

podcast 129 – Ehrman and Bird on How Jesus Became God – Part 2

a conversation with two trinitarian apologists

trinitarian or unitarian? 3 - Irenaeus's 2-stage Logos theory

podcast 304 - The Absolute Basics of the Christian Faith

