The Texas Board of Education approved a science curriculum that opens the door for teachers and textbooks to raise doubts about evolution.

Critics of evolution said they were thrilled with Friday's move. "Texas has sent a clear message that evolution should be taught as a scientific theory open to critical scrutiny, not as a sacred dogma that can't be questioned," said Dr. John West, a senior fellow at the Discovery Institute, a Seattle think tank that argues an intelligent designer created life.

Kathy...