5th grader corrects Smithsonian Museum.

Yep, he might be an 11-year-old kid, but at least he was paying attention in class:

Since it opened in 1981, millions of people have paraded past the museum’s Tower of Time, a display involving prehistoric time. Not one visitor had reported anything amiss with the exhibit until Kenton noticed that a notation, in bold lettering, identified the Precambrian as an era.

Kenton knew that was wrong. His fifth-grade teacher, John Chapman, had nearly made the same mistake in a classroom earth-science lesson before catching himself.

“I knew Mr. Chapman wouldn’t tell all these students” bad information, the boy told the Kalamazoo Gazette….