These teacher-tested activities use free or familiar tools to help students think critically, create meaningfully, and ...

Professor Raúl Rojas has published a book about how symbols have been used throughout history in mathematics. The work was translated into English this year.

Despite the president’s claims, crime in D.C. is down over the last two years. At an extraordinary news conference on Monday, President Donald Trump revealed plans to take over the Washington, D.C.

Terms apply to American Express benefits and offers. Visit americanexpress.com to learn more. Through Dec. 2, 2025, new Walmart+ members can get an annual membership for $49, which is 50% off the ...