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History tells us that peaceful empires are very rare. In the 21st century, China is the fastest-growing world power. China claims that its rise is peaceful: it has no plans to invade and conquer new territory. But is it possible for any nation to grow without causing any conflicts? In the 15th century the Chinese explorer Zheng He sailed across the Eastern Hemisphere from Taiwan to India to Arabia to Africa. He was on a trade mission, but the kingdoms he encountered were not really free to choose whether or not they would become part of the Chinese trade empire. This public radio story looks at China’s past to draw some conclusions about its future.
India and Pakistan have been in conflict since the British drew a line across India in 1947 that created two opposing nations. Pakistan’s military focuses on preparing for a conflict with India, and its government teaches its citizens to fear India. India and Pakistan have gone to war twice over the disputed region Kashmir that lies between them like a no-mans-land. Listen to learn about the legacy of the 1947 partition.
The roots of the Israeli-Palestinian conflict trace back centuries. Israelis and Palestinians have cultural, religious, and social differences, but have shared space for a long time. In 1948, Israel became an independent state, creating a refugee population of Palestinians as Israel expanded its borders. Certain areas in Israel, including the West Bank and Gaza, are occupied by Palestinians, while some areas like Jerusalem have both Israelis and Palestinians living among each other. The result has been segregation between the groups within Israel and a lack of empathy for others. Listen to hear the different opinions among Israelis and Palestinians.
There are few Holocaust survivors still living today. In this public radio story we hear from one woman who escaped a Nazi death camp. She tells the story about being led out of the camp with many other women to an open field to be killed. Thankfully, she escaped, but has lived for over 70 years with survivor’s guilt.
Note: This story contains disturbing details about a Nazi concentration camp.
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.
Coal fueled the Industrial Revolution in England, and then America, and the whole world. But the new manufacturing came at a high price: coal pollution. This public radio story takes you to the place where the Industrial Revolution began, and explains how coal, iron, and steam created a new world. Coalbrookdale was one of the busiest coalfields in Europe, but today it seems quiet and clean. Is it really? The world is still powered by fossil fuel, which pumps greenhouse gases into the atmosphere—we’ve just changed the way we burn the coal.
Joan of Arc was an uneducated girl who followed the voices of angels and worked to free France from England’s domination. When she was captured by the English, she was burned at the stake. Later she was pronounced a Catholic Saint. Listen to learn how her religious and political legacy still inspire French politicians today.
This public radio story describes the life and misfortunes of Niccolo Machiavelli, a citizen of Florence who led the fight against its takeover by the Medici family, and was banished from his beloved city. His single work of nonfiction, the manual The Prince, was published five years after his death, in 1532, and has guaranteed that this civil servant erased by the Medicis would live forever, famous—or infamous—for the advice he gives to rulers in his work. Was Machiavelli really recommending ruthless practicality for rulers? Or is his philosophy more subtle and moral than people think?
The "cash for clunkers" program was a limited federal government program in the U.S. that gave people credits to trade in their old, gas guzzling, polluting cars for newer ones. The goal was to get older cars off the road to improve pollution. Because the “cash for clunkers” program did not allow the re-sale of old car engines, junkyards were forced to turn the cars into scrap metal. Listen to learn what this scrap metal can be turned into.
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.
A new way of looking at live cells is revolutionizing our understanding of how molecular life works. However, it is how one scientist managed to complete his study despite facing World War II in Japan that makes his discovery so intriguing. By using an old machine gun, Shinya Inoue made a microscope that enabled him to start to see how a cell divides. Listen to learn how Inoue finished his microscope and why it is so important to the science community.
There is debate whether fish like the bluefin tuna are going to go extinct. Some argue that the decline in bluefin results from excessive fishing. However, longtime bluefin fishers like Eric Stewart disagree with this stance as he sees an increasing population of bluefin. Listen to hear from both sides, and how one bluefin tuna can swim across the entire ocean.
Scientists are creating bacteria batteries by using wastewater to generate electricity. The microbes from sewage can be harnessed to develop microbial fuel cells. The process could provide ways to provide energy in remote places for very little money. Listen to learn how scientists are developing this energy and what they are learning from it.
Manatees, the vegetarian aquatic mammals that inhabit the waters of Florida, depend on natural warm water springs to survive the winter. However, those warm water sources have diminished over the years due to an increase in development around the area. Listen to learn how local power plants are maintaining the warm water to try to help the manatees.
People lose weight when sleeping, and much of that weight loss comes from merely breathing. Through a process of matter being recycled along with sweating while sleeping, people lose weight. However, the atoms and molecules involved are so small that it is hard to believe they are so powerful in this process. Listen to learn how this cycle works.
As the ocean rises, some island nations might disappear and the coastlines change. This is critical for some island nations that are at risk of slipping under water as sea levels rise. Political, economic, and personal consequences are factors in how the climate problems in these nations are dealt with. Listen to learn what can be done to prevent these catastrophic changes in our geography.
Global warming is expected to increase summer temperatures making cities even hotter. As concrete and asphalt within cities retain heat, it can increase health risks. The sun mixes with city pollution to create ozone that can irritate people's lungs, especially if they have breathing problems such as asthma. Listen to learn how public health officials are trying to help those living in the hottest areas.
A geologist has turned decades worth of data into music. He created a multitrack sequencer for data instead of music. The data and music show a tight correlation between the amount of carbon dioxide and the amount of ice on the earth. Listen to hear what climate change sounds like and how it is helping scientists understand how humans affect our climate.
In this story, we hear from the head of Ecovative, a company that uses mycelium fibers from fungi to create useful and environmentally-friendly products. There are advantages of using mycelium fibers in place of plastics and foams, as well as challenges faced by the inventors in trying to create useful products. Listen to this story to hear how the engineering design process is described, as well as how scientists used this method to get to where they are today.
Oceans around the world are seeing declines in healthy reefs. The increase in ocean temperatures due to global warming is one of the factors that is causing this deterioration. Part of the coral reefs are endangered, but some corals are still thriving despite the increase in ocean temperature. Listen to learn who relies on coral reefs and what would happen if they completely deteriorated.
Ice is an essential component of the ecosystem of the Bering Sea region. For example, sea ice cover can dramatically affect the levels of phytoplankton which has enormous effects on the entire food web. In this public radio story we hear about the health of the Bering Sea ecology by studying scientific observations.
Most of the more than 7,000 US women who served in Vietnam were nurses. In this public radio story you hear first hand from a woman who was a nurse in Vietnam. The experience had a strong impact on her life. She later realised she suffered post traumatic stress disorder. After visiting the Vietnam Memorial she created the Vietnam Women’s Memorial because she says she believes in the healing power of memorials.
The tradition of town meeting day has faded away in most states. This audio story describes a town meeting in Starksboro, Vermont, and a longstanding tradition of town meetings in New England beginning in the 1600s. While it can be difficult to give 100 people all the time they want to debate issues and air their opinions, let alone come to an agreement on them, town meeting remains a vitally important institution that its members value. Listen to this story as it looks at what makes it work.
This public radio story describes the Julian calendar, developed during the rule of Julius Caesar in Rome in the first century BCE, and how this calendar failed to keep accurate time for the Catholic Church centuries later. You will hear how Pope Gregory called on modern science to create an accurate calendar in the 1500s, and that became the calendar we use today.
This Public Radio Story describes the great importance of Syria’s ancient cultural heritage sites, for Christians, Jews, Muslims, and people of many other national and ethnic identities. Unfortunately, these sites are under attack as Syria’s civil war rages on.
Modern campaigning can get pretty dirty, but politicians today are only taking their cues from politicians in ancient Athens. This public radio story describes how direct democracy was carried out in ancient Athens, a Greek city-state. Listen to learn who was allowed to participate in Athenian politics and how the people of Athens voted for and controled their elected officials.
In ancient Greece, people were thrown out or ostracized from the city because they broke the rules. Anyone could get ostracized – kicked out of the city for 10 years – based on voting done by the citizens using broken pieces of pottery. This public radio story explores the nature of corruption and voter fraud in ancient Athens.
Kentucky was one of four states that were slave 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.
Central High School in Little Rock, Arkansas was only one of many schools being desegregated in accordance with the 1954 U.S. Supreme Court decision in Brown v. Board of Education that racial segregation in public schools was unconstitutional. This public radio story describes the attempt by nine black students to integrate Central High School in 1957. But the protests against its desegregation made Central High the symbolic focus of white resistance to civil rights for black Americans.
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.
Students in Bellingham, Washington, pushed to introduce composting programs at their high schools and these programs have proved successful. This story follows food from the school cafeteria to the compost site where microorganisms transform it to home gardens and nurseries where compost is applied as fertilizer and mulch. Listen to hear from an insider's view of an industrial scale composting site and how we can learn how to compost.
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.
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.
President John F. Kennedy’s supports and efforts to jump-start a U.S. space program were in response to the perceived threat from the Soviet Union. Kennedy did not want the Soviets to be the first to send a human being to the Moon. This public radio story describes the differences between the Soviet and the U.S. space programs and why it was successful.
Maritime trade in today’s world is still very important as ships bring clothing to department stores and TVs to electronic stores. This public radio story explains how the International Maritime Organization, founded in 1958, oversees world shipping today. The IMO deals with problems the ancient Greeks would have recognized, including piracy.
Game wardens in California are now using DNA fingerprinting analysis to help protect illegal poaching of wildlife. There are many species, from large game to shellfish, which are being illegally caught or killed for food. Since there are so few game wardens to patrol the state, they are relying on forensic evidence to help track poachers. Listen to learn about the latest in DNA fingerprinting technology.
When people started using large nets to capture tuna in the 1960s, many spotted dolphins were killed because they were found living with tuna. Scientists responded by sending “observers” on tuna boats to keep track of the number of dolphins killed. Listen to hear from a scientist who is studying the spotted and spinner dolphins to try to learn how to preserve dolphin populations.
While popular swimming holes are commonly tested for bacteria, few are tested for protozoans. Protozoan-caused illnesses can cause problems for swimmers in rivers, lakes, and ponds. Listen to learn how we can distinguish between the different types of microbes and how this introduces the classification of microorganisms.
Small green sea slugs puzzle scientists because they can photosynthesize energy, just like plants. These Eastern Emerald Elysia sea slugs also appear to have several different types of DNA. Scientists are hopeful these sea slugs might help them discover more about human DNA and treat human diseases. Listen to learn how these tiny creatures are teaching us more about genetics.
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.