All of the papers from the 2007 Brooklyn Law School symposium on law, science and truth "Symposium: A Cross-Disciplinary Look At Scientific Truth: What's The Law To Do?" as published in (2008) 73 Brooklyn Law Review are are available for downloading in one pdf here.
I recommend them (for whatever that's worth).
Any Canadian lawyer-type reading any of those pieces should also read Mr. Justice Binnie's "Science in the courtroom: the mouse that roared" (2007) 56 UNB LJ 307. The article is available on Carswell/Westlaw and can be found here and here.
He has more to say about science . . . [more]