Back in the days of colonization, Spanish explorers believed that cities of gold could be found in the Amazon. When anthropologists never discovered these magical gold cities, they supposed these indigenous people had no urban centers. They argued that the landscape of the Amazon made cities difficult, if not impossible, to build. Recent work, however, has changed this view. This audio story focuses on new evidence in the southern Amazon that suggests a level of centralization not previously believed to have existed. Listen to learn the details of these villages and how they shape the way we understand indigenous Amazonians.
Andrew Carnegie is famous not only for being one of the richest industrialists in American history, but also for donating nearly all of his wealth to charity. As part of his far-reaching philanthropy, Carnegie funded nearly 1700 public libraries around the country. Unlike many libraries before, these were open to all members of the community--women, children, rich and poor, and people of all races. Carnegie hoped these institutions would encourage people to read, research, and educate themselves--just as he had done as a young Scottish immigrant from a poor family. Listen to hear more about how one man’s generosity led to widespread learning opportunities for years to come.
Toys play an important role in children's development. They are also important to animals, even elephants. This public radio story is about how artists designed and built toys of elephants that were based on animal behavior and their environment. You’ll be inside the zoo with the elephants, hearing their joy when playing with the new toys.
In 2011, a crested macaque, a species of monkey found in Indonesia, used photographer David Slater’s camera to take several selfies. Slater posted the monkey’s selfies online, and one photo went viral. When animal activist group People for the Ethical Treatment of Animals (PETA) heard about the situation, they felt the macaque’s rights were being violated. After all, they argued, the monkey took the photo, not Slater, so the monkey owns the copyrights and should receive all royalties earned. Slater could not disagree more. The case eventually went before a federal judge. In this audio story, reporters and an attorney discuss the case and provide some context regarding the rights of animals before the law.
From "Shiloh" to "Lassie" and "Old Yeller," young adult literature is full of stories about friendship between people and dogs. People love animals but what do animals feel? There is a debate in the scientific community and in popular culture about what emotions animals are capable of and how they display these emotions. Does recognizing that animals can feel take away from human emotion? Or does it help us recognize where these traits came from? This story discusses recent research on the emotions of animals. Listen to learn more about what researchers discovered, and the controversy surrounding the emotional lives of animals.
Literature has the power to influence our lives. In this audio story, several fifth graders at Anne Frank Elementary School in Philadelphia reflect on the lessons they have learned from reading Anne Frank’s innermost thoughts in "The Diary Of A Young Girl." Their fifth grade class is diverse, with kids from many countries and cultures all over the world. You will hear many students explain how they can relate in different ways to the sentiments Anne Frank expresses in her diary. Listen to learn more about the ways these students think Anne Frank’s diary brings us together, gives us hope, and inspires us to never repeat the horrors of the past.
Anne Frank’s diary of her family’s life in hiding from the Nazis is one of the most famous accounts of World War II. Less known is how her father, Otto Frank made many attempts to get his wife and two daughters, Margot and Anne, out of Nazi Germany to safety. In 2005, several letters and documents written by Otto Frank were discovered. Despite the support of several wealthy and powerful friends in the United States, he was unable to acquire the necessary visas. The U.S. was making it more and more difficult for immigrants to enter the country and, after Germany declared war on the U.S., Cuba rescinded the visas it had originally offered. Listen to learn more about the powers that kept the Frank family in Europe, where they were eventually discovered, arrested and almost all murdered by the Nazis.
A rising tide of anti-Jewish sentiment has the German government chastising Germans for their prejudice. Antisemitism is a particularly volatile topic in Germany because of the Nazi-led Holocaust during World War II. Some blame the rising antisemitism in Europe on the conflict in Israel. Others believe it’s because of an influx of Muslim immigrants. This public radio story takes you to a protest against the attacks on Jews in Germany and explores how the present-day incidents refer to a dark past.
On September 11, 2001, 19 terrorists checked in for flights, boarded four planes and then hijacked them. The use of an air travel system to attack the United States was a shock to Americans and led to big questions about the effectiveness of airport security checks that allowed these men to board airplanes with small hand weapons and tear gas. Airport security immediately changed to make air travel safer, but have these changes really made us safer? Listen to learn about the ways security has changed since 9/11 and ways it can continue to improve.
Forty years ago, a military coup in Argentina triggered what has since become known as the Dirty War. During the seven-year dictatorship that followed, as many as 30,000 Argentines either disappeared or were killed. In this story, you will hear about human rights activists who want the United States to reveal what it knew about the Dirty War, and about President Obama’s recent trip to Argentina. Listen to learn more about possible U.S. involvement in the Dirty War, and what activists hope to discover from newly declassified government documents.
While humans need food and water to survive, plants are able to get their energy from the sun through a process known as photosynthesis. Engineers are now trying to replicate this process of converting sunshine to power through artificial photosynthesis. They are trying to create an artificial leaf. Listen to learn how these problem solvers are approaching the challenge step by step.
During World War II artists helped the war effort by creating a "Ghost Army." This was a battalion of artists, including painters, designers, and music technicians. They built rubber tanks, jeeps, barges, and other decoys to divert Nazi soldiers from real U.S. troop movements after D-Day. This audio story is about a documentary on the army of artists who worked to fool the enemy.
Author Gabriel Garcia Marquez left behind an impressive legacy when he died in 2014. He was one of the most popular and revered Latin American authors of the twentieth century. His award-winning novels and short stories combine fantasy with reality. Marquez’s writing did not avoid difficult topics like war and politics, but also celebrated love and expressed hope for a better future. In this audio story following his death you hear about Garcia Marquez’s early life, the people and places that inspired his writing, and the legacy he left behind.
Jacqueline Woodson’s free verse memoir, "Brown Girl Dreaming," won the National Book Award in 2014. Woodson has published 30 books and won three Newbery Honor Medals. This book explores different perspectives in a desegregating America. In this interview, Woodson talks about her experience of segregation of race and religion, and how her experiences are often similar to students who she talks with today. She talks about the need for more diverse literature in schools, along with her book being appropriate for a wider audience-- not only brown students. Listen to hear her discuss how she integrates her personal experiences into her writing.
Hundreds of years ago, the Aztec people established their capital, Tenochitlan, on top of a lake. They used mud to create islands, and channelled the lake into canals. It became the capital of the Aztec Empire in the 15th century, until Spain captured and destroyed the city. Since then, the city has supplied its many residents with water from the canals which still remain. Mexico City was built on top of this ancient city. Unfortunately, retrieving water from underground has created problems, and today, many residents do not have access to the water they need. Listen to the story to learn more about Mexico City’s history and water troubles.
The people of Ancient Mesopotamia practiced mathematics from the early days of Sumer to the fall of Babylon in the 6th century. Until recently, most evidence suggested that math was used primarily for things like measuring land. A new discovery by a researcher in Berlin has shed new light on how Babylonians used geometry to measure the changes in the velocity of Jupiter over time as it moves across the sky. Prior to this discovery, the use of geometry in this manner was thought to have come in the middle ages. Listen to hear how this new discovery shows that Babylonian mathematics was more sophisticated than previously thought.
Before the European Renaissance (14th–17th centuries), loaning money, or usury, was considered sinful and strictly prohibited by the Catholic Church. Nonetheless, the banking industry flourished. In time, the idea started that one could pay for salvation. “Sinners” began donating money and artworks to the Church as a way of gaining favor with both the Church and God. As these indulgence flooded in, the Church didn’t protest. The massive influx of wealth to the church provided the fertile ground for the birth of the Renaissance. In this audio story, learn about the birthplace of banking and how many of today’s banking terms come from 14th century Florence.
Many World War II historians agree that the 1942-43 Battle of Stalingrad was the decisive battle of World War II in Europe. Fought between German and Soviet forces, the battle may well have turned the tide of the war in favor of the allies and against Nazi Germany. This story recalls some of the ways in which the Soviet victory at Stalingrad was so remarkable and also the enormous cost of victory. Listen to this story to hear from people looking back on the battle, its impact, and its connection to the present day.
What happens when human structures and nature come into conflict? Ocean Beach in San Francisco is naturally eroding, but the consequence of this shifting shoreline is that a sewage treatment plant is put in peril. Without intervention, raw sewage could be dumped into the ocean. A rock wall has temporarily stabilized the pipeline, but not without complications. Listen to learn about the other solutions that are being considered, including construction of an artificial dune.
Over the past several years honeybee colonies have declined dramatically. There is no consensus over a single cause, and in fact, scientists point to multiple reasons for this problem. An important, yet often overlooked factor is basic land use decisions. Listen to learn about the importance of the symbiotic relationship between honeybees, flowers and humans, and what kids can do to help promote honeybees and other pollinators.
Flowers have many ways of attracting bees for pollination. Bees are looking for nectar and pollen when they visit plants and flowers, as well as various colors, patterns, and shapes. Recently scientists have discovered a new way that flowers attract bees. They can sense the electric fields around flowers. Listen to hear about the natural positive charges of bees, the negative charges of flowers, and how the electric attraction works for pollination to happen.
The civil war endangers cultural artifacts in Syria. Aleppo, Syria's largest cities and one of the world's oldest continually inhabited urban areas, is now the site of heavy fighting, damage, and death as a result of the Syrian civil war that began in 2011. In this audio story you will hear about a museum exhibit of ancient Aleppo to understand what's at stake with the violence of the civil war.
Biologists studying right whales face the challenge of exploring rare and large organisms that spend the majority of their time underwater. These unpredictable animals are examined by researchers to try to understand the method of communication between male and female whales. Listen to learn why it's so hard to study these animals.
To copy the way a desert beetle gets water, scientists have designed a membrane that can extract water from the air. Since all air contains water, even in the desert, this could provide a very inexpensive way to supply drinking water. This process is called “biomimicry,” or using ideas from nature to solve technological problems. This discovery could lead to reusable water bottles that refill themselves. Listen to learn why this invention would be inexpensive and how close scientists are coming to making it work.
Many of us have heard the “Star-Spangled Banner”, America’s national anthem that was written in 1814. But what do we know about how it was written? This audio story discusses the 200th anniversary of the writing of America’s national anthem by Francis Scott Key and what inspired the anthem. Key asked two questions in his poem, and some of the verses have words that we may take for granted today. Listen to hear explanations about what was written and learn more about the poem that later became our national anthem.
Until recently, few people knew that the American space program’s early success was due in large part to a group of African American women known as “human computers.” They were brilliant mathematicians but were made to use segregated offices, bathrooms, and equipment. Their stories are told in a book and movie by the same name, “Hidden Figures.” One such overlooked mathematician was Katherine Johnson, who began working at Langley in 1953. Her report laying out trajectory equations for getting a craft into orbit played a key role in the program’s success. However, despite the vital roles Katherine and her colleagues held, their contributions were mostly unheard of until the publication of “Hidden Figures.” Listen to learn more about the obstacles these African American women faced and how a story this significant stayed buried for decades.
Blood diamonds are typically mined in war zones and used to finance some of Africa’s most brutal civil wars. The uncut diamonds are sometimes mined in areas controlled by rebel forces in Africa. This public radio story is about an effort in 2003 to certify that uncut diamonds that can be proven to come from countries that support basic human rights are given a special classification.
Kentucky was one of four states that were slaves states but did not declare secession from the Union during the U.S. Civil War. They are known as "border states." Kentucky began the U.S. Civil War as officially neutral. This public radio story describes Kentucky’s experience as a neutral border state. In the story you hear from descendants of a family whose ancestors fought on both sides of the Civil War, a common experience in border states.
Many old buildings have stories to tell. One building in downtown Boston, 26 Court Street, played an important role in Boston’s fight to help end slavery. Trials held in this courthouse galvanized the abolitionist movement in Boston during the 1850s. Before and after this building was courthouse, it served several other purposes that are also part of Boston’s rich history. Listen to learn more about this building’s history, as well as its future.
The two-month Bread and Roses strike of 1912 carried out by textile factory workers in Lawrence, Massachusetts marked the beginning of the labor movement. The workers, made up overwhelmingly of immigrant women and children, walked off the jobs they had risked everything to travel to America to take. This public radio story looks back at the strike and what themes resonate today.
In the 19th century, British explorers sent many expeditions in search of an Arctic Sea passage--the famed Northwest Passage--that would connect the continents of Europe and Asia. The search to find this shortcut between continents captivated the imagination of the British public. At that time, the search for the Northwest Passage had already been going on for 300 years. But in the early 19th century, after the defeat of Napoleon, England resumed the search with renewed vigor. These expeditions, however, resulted in failure. The most notorious failure was the voyage of Sir John Franklin from which no one survived. This audio story introduces this doomed expedition. Listen to learn more about England’s motivations for finding the Passage, and the harrowing experience of Franklin’s expedition.
Note: This story involves a discussion of cannibalism. (4:30 - 5:28)
During the American Revolution, colonists were not in agreement as to whether or not to stay united with the British Empire or to support the movement for independence. Throughout the war, many colonists elected to pledge their support to the British. They were called loyalists. All throughout the colonies, especially in the south, there were flare ups of violence between supporters of independence, often referred to as patriots, and loyalists. When the war came to an end, loyalists were faced with difficult choices. In the United States, they were looked upon as traitors and losers. Fearing violence, many loyalists wound up fleeing the colonies for other parts of the British Empire. This audio story looks at what happened to British loyalists.
The war in Syria has been broadcast around the world on TV and in social media. This audio story is told from the first person perspective of a mother who is watching the war on YouTube and struggling to figure out what she should do to support those who are fighting for a “new Syria.” The story follows this Syrian American woman and her daughter as they travel to Turkey to help the Syrian war refugees.
Energy experts are thinking about ways to replace coal that’s burned in American power stations. One alternative is to burn plants because they can produce fewer greenhouse gas emissions. This results in biomass power. Listen to learn about a movement in the Midwest that uses millions of acres of grass for biomass power.
Byzantium was chosen by Roman Emperor Constantine I in 330 A.D. as the new Roman Capital, Constantinople. The Byzantine Empire was extraordinary in its ability to survive without interruption for over eight centuries. One of the reasons they were able to preserve their scarce resources and survive for so long was in large part because they avoided war. In this story, the author of a new book on the Byzantine Empire explains how the Byzantines dealt with their many enemies and remained stable. He compares their strategy to that of the ancient Romans and to the U.S. strategy in the wars in Afghanistan and Iraq. Listen to hear more about what they can teach us about foreign policy.
For such a small molecule, caffeine has long been a controversial substance. Throughout the day, the human body produces a molecule called adenosine that can induce feelings of fatigue. Caffeine is a molecule that reverses the effects of adenosine. This results in feelings of alertness. But the impacts of caffeine can be dangerous. Listen to hear what determines whether caffeine is beneficial or harmful, and how to prevent caffeine-related deaths.
Discussion of Carbon Dioxide (CO2) emissions often occur at the national level. Nations promise to lower emissions and scientists look for alternative energy sources. But new software is providing data for this emission reduction discussion at a local level. The software allows people to have a view into their carbon emissions on the level of a city, neighborhood, block and even household. Listen to learn how scientists and local officials are working together to track and understand emissions at the local level.
Food gives our body the energy needed to function and thrive. But what is energy? Where can you find it and how can you calculate it? This public radio story explores the energy in a cheese curl by burning it. Listen to learn about a great lab that allows you to calculate the energy in food.
Before World War II, a wind chill table and a formula were developed which scientists followed until it was updated at the beginning of the 21st Century. Scientists are still trying to understand the best way to calculate wind chill. Listen to learn from people who often experience cold temperatures and how some factors can affect how cold we feel more than others.
More people have been deported from the U.S. in the last decade, starting under the Obama administration, than at any other point in history. Deportations occur for any number of reasons–criminal activity, improper paperwork, and so on–but regardless of the reason, they always have an impact far beyond the person who is removed from the country. Listen to hear how having her father deported has affected one teen and her family.
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