Only Slate Plus members can gift Slate stories. Become a member to share 10 free articles a month. When Barack Obama told a crowd at a campaign event on Tuesday, “You can put lipstick on a pig, but it ...

The Constitution may have earned an A in civics, but in terms of grammar and consistency, it's well below the (Liberty) bell curve In 1787, the U.S. Constitution was drafted by members of the ...

How did scientists determine that DNA is the hereditary material? Groundbreaking experiments by Griffith, Avery, Hershey, and Chase disproved the notion that proteins were genetic material. Through a ...