In 1859, Charles Darwin’s theory of evolution was postulated in “On the Origin of Species.” In this theory, Darwin suggested that evolution occurred gradually, although there were no complete fossils.

The Sept. 4 letter, “Letter showed little knowledge of public schools,” invited us to study schools’ written materials. I agreed. The final draft of the 2019 Minnesota K-12 Academic Standards in ...

NPR's Ailsa Chang talks with Regina Barber and Emily Kwong of Short Wave about the oldest known tadpole, new proofs of the Pythagorean Theorem, and the evolutionary roots of alcohol consumption. All ...