Nicholas Wade has worked for The New York Times as an editorial writer, editor and science reporter. Before writing for the Times, he worked at two leading scientific journals, as deputy editor of Nature magazine in London, and on the news staff of Science magazine in Washington. He is the author of six previous books.

We’re not so different from our primitive ancestors in relying on holidays like Thanksgiving and Christmas to help us cohere as a society, argues Nicholas Wade in his new book on the evolution of religion.