The scientists who were trying to explain the continent shapes, just like scientists today, are devoting much time, thought and effort to developing and substantiating ideas that will account for the available evidence. However, whenever a new idea is proposed, it almost always requires further work and modification. Note that each idea proposed thus far regarding the continents has some explanatory power, but also has significant problems. How does the time required to develop and substantiate science ideas as illustrated in this story compare to what science textbooks convey about the time required to develop and substantiate science ideas?