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Overlooked History

What really caused the Irish Potato Famine, Stephanie Honchell Smith; History vs. Egypt's most powerful pharaoh, Jessica Tomkins; A day in the life of a Celtic Druid, Philip Freeman; One of history's most dangerous myths, Anneliese Mehnert; Why the US tried to kill all the bison, Andrew C. Isenberg; How horses changed history, William T. Taylor; What few people know about the program that saved America, Meg Jacobs.

The Connection

"A New Way to Think About the Transition to Motherhood" by Alexandra Sacks; "The Transformative Power of Video Games" by Herman Narula; "Can Other Animals Understand Death?" by Barbara J. King; "The Radical Act of Choosing Common Ground" by Nisha Anand; "A Sex Therapist's Secret to Rediscovering Your Spark" by Ian Kerner.

Afternoon Snack

Lucy Cooke on the strange life of sloths, the world's slowest mammal; Emmanuel Acho discusses not setting goals; Antonio Machado-Allison on piranha-infested waters; David Biello explains how the compass unlocked the world.

Riddle Us This

How the Königsberg bridge problem changed mathematics, Dan Van der Vieren; Sherlock Holmes and the case of the Red-Headed League, Alex Rosenthal; can you outsmart the fallacy that fooled a generation of doctors, Elizabeth Cox.

Did You Know?

"Ancient Rome's Most Notorious Doctor" by Ramon Glazov; "Turbulence: One of the Great Unsolved Mysteries of Physics" by Tomás Chor; "What Can Schrödinger's Cat Teach Us About Quantum Mechanics?" by Josh Samani.

The Latest in Ideas

How to break through fear and become a leader, Valerie Montgomery Rice; 12 predictions for the future of technology, Vinod Khosl; a cleaner world could start in a rice field, Jim Whitaker and Jessica Whitaker Allen; how to spot authoritarianism.

Justice By (Re)design

What obligation do social media platforms have to the greater good, Eli Pariser; a new approach to defending the human rights of migrants, Itamar Mann; Africa's great carbon valley and how to end energy poverty, James Irungu Mwangi.

Secrets of the Wild