World Geography

Today's most urgent problems are fundamentally global. They require nothing less than concerted, planetwide action if we are to secure a long-term future. But humanity's story has always been on a global scale. Sachs takes listeners through a series of seven distinct waves of technological and institutional change, starting with the original settling of the planet by early modern humans through long-distance migration and ending with reflections on today's globalization.

Why is it so warm inside the greenhouse? Which plants prefer cooler, dry air? Which like it hot and wet? Who takes care of all these plants? Go on a guided tour of a greenhouse to find out! Meet a plant expert, see how plants are cared for, and learn how a greenhouse can be warm even in winter.

In this all-new very special miniseries, the Aldens have been recruited by a secret society to return lost artifacts and treasures to their rightful locations - all around the world! The final leg of the Aldens' journey brings them to South America and to the Salt Flats in northern Argentina. But when they hit a dead end, they realize someone has tricked them in order to delay their plans! Returning to Buenos Aires, the Aldens connect with the Silvertons and are able to get back on track. But it is clear their rivals are closer than ever.

As assistant to Mangkon’s most celebrated mapmaker, twelve-year-old Sai plays the part of a well-bred young lady with a glittering future. In reality, her father is a conman—and in a kingdom where the status of one’s ancestors dictates their social position, the truth could ruin her. Sai seizes the chance to join an expedition to chart the southern seas, but she isn’t the only one aboard with secrets. When Sai learns that the ship might be heading for the fabled Sunderlands—a land of dragons, dangers, and riches beyond imagining—she must weigh the cost of her dreams.

Although less well known than his famous flight over the North Pole, Admiral Richard E. Byrd's adventures in Antarctica are just as remarkable. Wide-eyed youngsters will feel the excitement and danger as they learn about the isolated and tight little manned station where Byrd lived, separated from his crew; the temperatures that plunged to 60 degrees below zero; and Byrd's brush with death when a small stove he needed to keep warm - and stay alive - filled the air with carbon monoxide.

It’s time to celebrate Ramadan. For one month, Muslims don’t eat or drink for most of the day. They pray and help the poor. Muslims focus on being thankful during this important Islamic holiday.

Hispanic America, Texas, and the Mexican War examines the history of the southwestern area of the United States. Topics covered include the settlement of the area that became the southwestern portion of the United States, detailing how it evolved from land settled by Native Americans, to Spanish territory, to states that were pawns between the North and South prior to the Civil War.

In Four Lost Cities, acclaimed science journalist Annalee Newitz takes listeners on an entertaining and mind-bending adventure into the deep history of urban life. Investigating across the centuries and around the world, Newitz explores the rise and fall of four ancient cities, each the center of a sophisticated civilization: the Neolithic site of Çatalhöyük in Central Turkey, the Roman vacation town of Pompeii in Italy, the medieval megacity of Angkor in Cambodia, and the indigenous metropolis Cahokia, which stood beside the Mississippi River where East St. Louis is today.

Victoria Secord, a 14-year-old Alaskan dogsled racer, loses her way on a routine outing with her dogs. With food gone and temperatures dropping, her survival and that of her dogs and the mysterious boy she meets in the woods is entirely up to her. The author Terry Lynn Johnson is a musher herself, and her crackling writing puts listeners at the reins as Victoria and Chris experience setbacks, mistakes, and small triumphs in their wilderness adventure.

Throughout Lewis and Clark for Dummies, you find out about Jefferson's western exploration from his earliest efforts to see the Corps assembled through the aftermath for the explorers, the tribes, and the United States. But the focus of Lewis & Clark for Dummies is on the period between Jefferson's confidential letter to Congress requesting dollars to mount a western exploration (January 18,1803) and the expedition's triumphant (and improbable) return to St. Louis (September 23, 1806): 42 months that changed the world.

Shif has a happy life, unfamiliar with the horrors of his country's regime. He is one of the smartest boys in school, and feels safe and loved in the home he shares with his mother and little sister, right next door to his best friend. But the day that soldiers arrive at his door, Shif knows that he will never be safe again - his only choice is to run. Facing both unthinkable cruelty and boundless kindness, Shif bravely makes his way towards a future he can barely imagine. Refugee 87 is a story of friendship, kindness, hardship, survival, and - above all - hope.

Travel to Mexico. Find out the facts about this country in North America.

Santos Paola Santiago has recently returned from Oregon, where she defeated the Hitchhiker ghost and saved her father from the vengeful spirit that was possessing him. The poor girl deserves a rest! But first she has to rescue Dante from the void, where he's been imprisoned by some unknown force. Paola's prophetic dreams seem to have dried up, so she has to find other ways to locate a new rift where she can enter the void. Signs point to Texas—but how is she going to get there from Arizona?

Zomorod (Cindy) Yousefzadeh is the new kid on the block...for the fourth time. California's Newport Beach is her family's latest perch, and she's determined to shuck her brainy loner persona and start afresh with a new Brady Bunch name - Cindy. It's the late 1970s, and fitting in becomes more difficult as Iran makes US headlines with protests, revolution, and finally the taking of American hostages. Even mood rings and puka shell necklaces can't distract Cindy from the anti-Iran sentiments that creep way too close to home.

Check out these famous countries and regions that owe their shapes to an important geographic feature. These features help dictate so much about the countries they border.

Hyun Mi travels with her family to witness a miracle of nature—a land pass between islands!

Two ancient Chinese rulers govern their kingdoms in very different ways. When Jen Fu attacks with brute force, Wu Ti fights back with cleverness. The battle is about to begin!

Greetings with kisses, shoes in hallways, and Sunday morning markets—the joys of living in Belgium!

The mythic origin stories of the Grand Canyon and the Native American tribes who live in and near it.

The Viking named Erik the Red once left Norway for Greenland. He invited other Vikings to help establish a settlement in this new world.