It's "permission, or in some cases even an imperative, to talk about things which are not scientific in the science classroom," he said. "And we firmly oppose that."
Debate heats up over teaching climate change in US schools →
"I owe him a great debt of gratitude not only for the contributions he made to music, but in terms of his contributions to the technology," Evans said.
Bono-roo: U2 make their first U.S. festival appearance →