rocket science

"These things are not rocket science, but they're really fundamental to having a good, healthy circadian rhythm and a good healthy physiology through the winter."

“It’s really not rocket science,” Ms. Terekh quips.

“We’re doing very little socially apart from posting clips from our show. That is chiefly the social strategy, which is not rocket science.”

“Nutrition isn’t rocket science; it’s harder,” Ms. Belluz and Mr. Hall note in a chapter that questions the mania for supplements, which are taken by about 60% of American adults.

"When I get the whites out with the blazer on, I look up to the sky more than anything. It's not rocket science," he said.