Dressed as T-Rex, Sandra Calderon talks with Nick Savelli prior to a State Board of Education public hearing on proposed new science textbooks., on Sept. 17, 2013, in Austin, Texas.

But one of the board-appointed reviewers raised 20 “factual errors” and Pearson, whose current textbook is used by more than half of Texas’ biology students, challenged 19 of them.

Children in Texas will spend the next decade reading biology textbooks free of anti-evolution propaganda, thanks to the defeat last month of creationist attempts to cast doubt on the evolution ...

DALLAS (Reuters) - A panel of experts has rejected concerns by religious conservatives in Texas that a high school biology textbook contained factual errors about evolution and a state board ...