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:
Debating John 1: Eusebius vs. Marcellus
some clarifications: a reply to McManus - part 2
Arius and Athanasius, part 11 - General questions about divine production (JT)
Bird on Justin Martyr on the Logos
More on Loyola's "white is black" passage
the evolution of my views on the Trinity - part 8
Interview with Ray Faircloth, translator of the Kingdom of God Version of the New Testament
Scotus on Richard of St. Victor?
Dealing with Apparent Contradictions: Part 19 - Review of Antognazza on Leibniz
podcast 301 - Dr. Daniel Boyarin on John 1