The debate over evolution and creationism is common in classrooms across the country.
Now, the government's most influential scientific advisers are weighing it.
They say intelligent design should not be taught in public schools.
The new book Science, Evolution and Creationism has been released by the National Academy of Sciences.
Researchers claim the evidence supporting evolution continues to grow, and that non-scientific approaches do not belong in science classes.
President Bush supports teaching both evolution and creationism so that students can understand the debate.
Recent polls show 61 percent of Americans believe the biblical story of creation.
"Why are the evolutionists so defensive?" posed The Creation Museum's Daid Menton. "If their ideas are so compelling, I would think they would welcome a challenge."
"Unintended ignorance is excusable. Unwillingness to learn is not," expressed Director of the Center for Scientific Creation, Dr. Walt Brown. "Preventing students from learning is reprehensible."
Scientists who wrote the new book say that the evidence for evolution can be "fully compatible" with religion.
However, the Bible says that sin preceded death, whereas evolution implies that death preceded sin. The troubled theory claims that "prehistoric life" existed hundreds of millions of years ago - well before Adam and Eve sinned in the Garden of Eden some 6,000 to 7,000 years ago.