(CBS News) The long-simmering battle over teaching evolution in Texas boiled over at a late-night meeting, as the Board of Education extended preliminary approval of new science books for use in classrooms across the state but held up one biology text because of alleged factual errors.

With midnight looming, some of the state education board members singled out a textbook by Pearson Education, one of America’s largest publishers, on Thursday. Many of the 20 concerns pertained to the theory of evolution. After a lengthy debate that got testy at times, the board voted to have three of its members pick a trio of outside experts to further scrutinize the book.

If the issues can be resolved, it will win approval. But if not, it will be returned to the board for consideration at its January meeting.

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