Can Christianity and Science co-exist, or are they opposed? What if we combined science and Christianity to gain a deeper understanding of the universe and God? Today on Just Thinking, Professor John Lennox is at a Q&A Session to discuss his new book, "Can Science Explain Everything?" with The Economist Editor, Rob Gifford.

If God gives us the freedom to believe whatever we want, what questions does this raise about God's character and His sovereignty? We hope you will join us today on Just Thinking, as Ravi Zacharias and RZIM speaker, Stuart McAllister, close out the Q&A session in Atlanta, GA.

How can we learn how to defend our faith? Is apologetics the answer to this? On today's Just Thinking, Ravi Zacharias is joined by RZIM Speaker, Stuart McAllister, as they continue in a Q&A session in Atlanta, GA.

hat is apologetics, and why is it important? Today on Just Thinking, Ravi Zacharias is joined by RZIM Speaker, Stuart McAllister, to explain the importance of apologetics in learning how to defend your faith.

How is God both one and three? Does this violate the law of non-contradiction? Join Ravi Zacharias today on Just Thinking, as he is back at Cornell University to explain the complex topic of the trinity during today's Q&A session.

Have you wondered where the line between sin and sickness is? Today on Just Thinking, Ravi Zacharias is at a Q&A session at Cornell University to tackle tough questions from college students. We hope you will join us.

Is the Bible outdated? Should we keep looking to the Bible for answers or is it better to form our own reason and moral code? Perhaps you have questioned this or have had these questions asked of you. Join Ravi Zacharias, and RZIM Speaker, Vince Vitale, on Just Thinking to find out their answer to these difficult questions during a Q&A session at Princeton University.

Was the creation of humankind just an act of vanity by God? If not, why did God create us? There is a high chance you have come across a friend or loved one that has asked you these very questions. Listen in to Just Thinking today with Ravi Zacharias, and RZIM Speaker, Vince Vitale, to hear their thoughtful answer to this tough question.

Does moral reasoning exist without God? Today on Just Thinking, Ravi Zacharias is back at Princeton University with RZIM Speaker, Vince Vitale, to continue tackling the topic of evil in the world.

Is the mere existence of evil evidence that there is no God? Join Ravi Zacharias this week on Just Thinking as he continues in the Q&A session at Princeton University with this difficult question on good and evil.