Karen Kenney

Space probes, self-assembling robots, crash-absorbing cars, and designer proteins all have one thing in common: their use of folding technologies. To develop these technologies, engineers are taking inspiration from an unusual source—origami, the ancient art of paper folding. Examine origami's origins, how it intersects with mathematics, and how it became a tool to solve some of the most complicated challenges in engineering, architecture, technology,

Abraham Lincoln was born to poor parents, in a log cabin on the western frontier of a young nation. The unity of the United States, which had been built on the ideal that all people are created equal, was cracking under the heavy yoke of slavery. As Lincoln embarked on his presidency, the slaveholding states in the South left the Union, causing him to face the American Civil War. Lincoln said the war was no less than a fight to save government