We were a little slow on the uptake when it came to finding this TED talk that author and Truthdig contributor Sam Harris gave this past winter, but it’s definitely worth a belated look, or even a second look, as the case may be.

Harris, who wrote “An Atheist Manifesto” and “Letter to a Christian Nation,” defends science’s usefulness in helping us answer the biggest questions about “what constitutes a good life” in his usual thought-provoking style in this presentation, recorded in February. –KA

TED.com: