Explore Video Using Secular Textbooks Video Using Secular Textbooks by Krista Bontrager September 25, 2017 RTB’s Dean of Online Learning, Krista Bontrager, talks about some basic principles for using secular science textbooks. Return to the Educator’s Help Desk: Videos. Rarity of Planets with Non-Eccentric Orbits A team of American astronomers has confirmed an important design feature for the solar system. Their research on the upsilon Andromedae planetary system, the... Astronomy God as the Source of Knowledge Does the Bible indicate where knowledge comes from? Since evolutionary processes can’t guarantee true beliefs naturalism as a worldview faces insurmountable problems. For its... Evolution Scientific Discoveries that Would Cause Me to Abandon Christianity Question of the Week: Are there potential scientific discoveries that would ever cause you to abandon your Christian faith?