The Daily Galaxy on MSN

Two American Teenage Girls May Have Cracked a 2,000-Year-Old Math Puzzle With a Stunning New Pythagoras Proof

For over two millennia, mathematicians agreed on one thing: you can’t use trigonometry to prove Pythagoras’ Theorem—because ...
Aspen Public Radio

Sunday Puzzle: First and last two letters

NPR's Ayesha Rascoe plays the puzzle with Minnesota Public Radio listener Erin Rhode of Plymouth, Minnesota along with ...