TEACHERS: Get free access to all Lessons and Current Events
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.
Dinoflagellates are tiny marine microbes that make up the foundation of the aquatic ecosystems. They often go unnoticed because of how small they are, but any seafood you've eaten has eaten a dinoflagellate. A theater group has developed a musical centered around dinoflagellates and through song and dance reveal a lot that is unknown about the sea creature. Listen to learn from the musical numbers and find out how dinoflagellates have the potential to be more dangerous than sharks.
In recent National Day celebrations, the United Arab Emirates showed off its impressive military might. There were marching bands and a mile-long convoy of military vehicles. This public display of power reflects a dramatic shift in policy about the country’s alliance with the United States, which has until now been downplayed. The UAE is strategically located in the Persian Gulf and has emerged as a major U.S. ally and the leading military power in the Gulf in the fight against the Islamic State (ISIS). While the government of the UAE acts to project an image of a western-leaning, moderate Muslim country, it does not stand for dissent of any kind. In this audio story, listen to hear more about this contradiction and what lies behind it.
An American journalist in search of his family roots provides an intimate look behind the scenes in Iran. He meets Iranians on the train between two cities: Yazd and Isfahan. He finds how ancient traditions and today’s religious government are fostering tension among Iranians, expressed carefully in quiet conversations. This audio story takes you with him on his journey through Iran.
Thomas Stearns Eliot OM, best known as T.S. Eliot, was one of the great modernist poets of the 20th century. His work was part of a specific moment in history and art, before and after World War I, when identity, nations and art were fractured. Listen to learn more about the world in which Eliot wrote and why his poem “The Waste Land” remains one of the pillars of the high modernism movement.
Researchers are trying to figure out how mosquitoes survive raindrops. The mosquitoes receive a pelting as if, on a human scale we were being hit with massive boulders! The study of physics is helping scientists figure out this mystery. Through momentum and impulse, mosquitoes can dodge the rain and the humans trying to kill them. Listen to learn what experiments researchers had to do to understand the feeling from a mosquito's point of view.
The play "A Raisin in the Sun," by Lorraine Hansberry, reveals the struggles black families faced as they attempted to achieve the American dream in the 1950s. The play follows the lives of a working class family - the Youngers - from the South Side of Chicago. The Younger family recently received an insurance check, and have an opportunity to make positive changes in their lives. The audio story offers listeners a glimpse into an alarming event that happened to author Hansberry’s family when they moved into a white neighborhood during segregation. Learn about the play, "A Raisin in the Sun," as well as why "A Raisin in the Sun" made such an impact on American theater. Perhaps most importantly, listen to this story to find what Lorraine Hansberry’s motivation was for writing this iconic story.
The Muslim religion is 1,400 years old and is divided into two major groups: the Sunnis and the Shiites. Sunnis make up almost 90% of the world's Muslims. Sunnis refer to a Muslim kingdom that is ruled by descendants of the prophet Mohammed, as the “caliphate.” The former Ottoman empire was considered a caliphate, and it is generally accepted that there has not been a caliphate in the Muslim world for nearly one hundred years. Recently, the Muslim extremists calling themselves ISIS, or the Islamic State, declared the beginning of a new caliphate and declared a spiritual leader, or caliph. This interview with a historian weighs in on the likelihood of ISIS's claim on religious authority becoming reality. Listen to learn more about what a caliphate is, why ISIS declared a new caliphate, and how likely it is to succeed.
More than 200 years ago, one of history’s most controversial leaders, Napoleon Bonaparte of France, faced an uncertain future as the battle lines were drawn between the most powerful countries of Europe. By the end of the Battle of Waterloo, millions of people were dead and Napoleon was defeated. Two centuries later, the battle is being reenacted amid a European continent more united than ever. Listen to the audio story to learn more about the impact of the Battle of Waterloo and the lessons that can be learned from Napoleon’s story.
An acclaimed Nigerian author’s award-winning new novel, “An Orchestra of Minorities” is a tragic love story. It is like many classic tales, but with a unique twist: it’s told by the main character’s guardian spirit, or chi, in the Igbo religion. Listen to learn how having a non-human narrator affects this story and its characters’ destinies.
Author Natalie Babbitt has been writing books for young people for four decades. Her respect for young readers shines through in the themes of her novels, from love and everlasting life in “Tuck Everlasting” to money and dreams in her first non-fantasy novel, “The Moon Over High Street.” In this interview, Babbitt describes her perspective on writing for young people.
Scientists are trying to settle the age-old question of nature versus nurture. To test it out, scientists experiment on ducks to help determine whether animals are born with no knowledge of the world and only learn things from experience, or whether they emerge with some knowledge already intact. Listen to hear how the experiment is done and what it can tell us about nature versus nurture.
Scientists are beginning to answer questions about whether our physical appearances and behaviors are linked to the DNA of an extinct species of hominid. Unexpectedly large portions of Neanderthal DNA are being found in the genomes of many modern humans. New evidence suggests that inherited Neanderthal DNA can vary dramatically from individual to individual, with some receiving beneficial genes as well as rejecting others. Listen to hear how these new findings are affecting our understanding of human evolution.
Nelson Mandela was an inspiring leader, much like Mahatma Gandhi and Dr. Martin Luther King, Jr. He confronted a system of oppression and helped bring justice to the oppressed. Mandela was a young lawyer who became an activist in the highly segregated South Africa. He spent nearly 30 years in prison for his activities. Upon his release, he was elected as the nation’s first black African president. During his time in office, Mandela strove to heal a deeply wounded and fragile nation. Listen to hear Mandela’s life story, told shortly after his death at age 95.
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?
During the late 19th and early 20th century, Ellis Island in New York City was the first stop for millions of immigrants entering the United States. The facility became a symbol of America’s history as a society built by immigrants. Today, Ellis Island is a museum that tells just one part of the story of American immigration. Listen to hear the experience of how immigrants arrived at Ellis Island and how the museum remains relevant to people coming to the United States today.
In 2014, astronomers discovered a new dwarf planet on the edge of our solar system. This discovery has changed scientists’ understanding of what exists in the solar system beyond the more well known dwarf planet, Pluto. The new planet is a pink ball of ice, and scientists believe there could be an unseen and undiscovered planet larger than Earth in the far reaches of our solar system.
Nigerian author Chinua Achebe published the novel "Things Fall Apart" in 1958. His story of a Nigerian man whose village and culture are overtaken by British colonial forces in the 1890s sold millions of copies and was translated into 50 languages. The novel was one of the first bestsellers written by an African author as African nations gained independence from European rulers. It was also one of the first works to tell the story of colonialism from an African perspective. Listen to this radio story to hear about the author’s lasting influence on writers and literature.
Human behavior continues to have an effect on marine life under the water. This story highlights how humans make the ocean so noisy. Scientists are worried that the noise is causing a disruption to animals and threatening their existence. Listen to learn what humans are doing and what can be changed.
Taxing imports makes imported goods more expensive for consumers. So why aren’t all seemingly similar items taxed the same? This audio story focuses on imported suits for Santa Claus impersonators. These red suits with white firm trim are worn by thousands of Santa Clauses around the Christmas holidays. Some of these outfits are taxed, others are not. Listen to learn more about the sometimes complicated laws that determine why not all Santa suits are taxed equally.
The Nubian Pharaohs play an important part in ancient history, though their story is not widely told. Known as “Black Pharaohs,” they came from the area of modern-day Sudan and ruled Ancient Egypt for a half century. The Nubian people established a rich civilization in Africa, complete with impressive pyramids and sophisticated cultural practices. For many years, though, scholars and archaeologists ignored Nubian contributions, attributing their accomplishments to the Egyptians instead. Listen to learn more about the “Black Pharaohs” from Sudan, and their remarkable history that has not been given the attention it deserves.
Oceans around the world see declines in healthy reefs. The increase in ocean temperatures due to global warming is one of the factors that cause 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.
The U.S. warship the USS Constitution is docked in Boston Harbor. It's the oldest commission warship in the world. The USS Constitution played a key role in the War of 1812. Listen to this audio story to learn how the warship USS Constitution got its nickname “Old Ironsides” during the War of 1812 as it battled British warships off the U.S. coast.
The earliest known fossil that lead to humans was recently discovered in Ethiopia. Scientists have uncovered a lower jaw with five teeth. The jaw is estimated at about 2.8 million years old, and is nearly half a million years older than the previous record for a human-related fossil. This bone could help explain a branch in the human family tree. Listen to the story to find out how this fossil could fill a gap in the history of human evolution.
Wes Moore is an American veteran, author, and the CEO of Robin Hood, an anti-poverty non-profit organization in New York City. As a teen, Moore struggled in school and experienced several run-ins with the law. Despite these early challenges, he attended college and eventually earned his master’s degree at the University of Oxford as a Rhodes Scholar. When Moore learned that another Wes Moore, with whom he had much in common, was serving life in prison, he wrote a letter that initiated a relationship, which he captures in his book The Other Wes Moore: One Name, Two Fates. Listen to learn more about both Wes Moores and how their connection affected each of them.
Many people need organ transplants, but there are not enough organs for all of them. Doctors have had to develop criteria for deciding who gets the organs that are available, knowing that those who don’t get the organs they need may die. Listen to hear how the allocation of available organs puts doctors in the position to make life or death decisions, and who keeps them honest about it.
Betty Friedan’s 1963 book, “The Feminine Mystique,” remains one of the landmark works of Feminist literature. At a time in American history when most women were expected to find fulfillment as housewives and mothers, Friedan’s book challenged the male-dominated post-WWII culture, and helped pave the way for the “Women’s Liberation Movement" of the 1960s and 1970s. This audio story looks at “The Feminine Mystique” on the 50th anniversary of its publication, with three women discussing their relationship with the groundbreaking book. Listen to learn more about the origins of “The Feminine Mystique,” and what relevance it may still hold for the gender politics of today.
In the 1920’s thousands of orphan children were shipped on trains from the streets of New York City to America’s Midwest. Some found a loving family, but others had a very difficult life experience. “Orphan Train” is a novel by Christina Baker Kline, that talks about the story of Niamh, an Irish girl who was sent on one of these trains after losing her parents in a fire. Listen to the author talk about Niamh and other orphan’s experiences, and think about whether the benefit to some members of society was worth the pain of others.
Outsourcing happens when a company in the U.S. stops hiring American workers and hires workers in foreign countries instead. The benefit for the U.S. company is that workers in other countries make much less money than American workers, so the company saves money. In the early 2000s, more Americans began to protest against outsourcing because it created unemployment in the U.S. This public radio story introduces a man who built a business around helping companies outsource, and who stands by the practice despite its controversial aspects.
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, long time 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.
The federal government now recognizes the Pamunkey tribe from Virginia. Tribe members waited a long time to achieve this acknowledgment, fighting a long legal battle and facing opposition from various groups. Pamunkey’s new status as a recognized tribe gives them access to certain rights and privileges they did not have before. This tribe played a crucial role in early American history, and now they can look forward to a brighter future. Listen to hear more about what federal recognition means for this Native American tribe.
America looked different before Columbus arrived in 1492. Historian Charles Mann paints a vivid picture of pre-Columbian America. It was a world of glittering cities, advanced technology, monumental architecture, and powerful empires. Listen to learn what happened to it all and how it could have been destroyed by European might or a natural disaster.
During the Gilded Age of the late 1800s, leaders of industry and finance had unprecedented wealth, influence, and power. These men made fortunes and also donated money to build colleges, museums, and libraries. Today we are seeing a new rise of influential moguls, which is a very small group of men with incredible power and money with the ability to change the world. This story discusses the similarities and differences between the super-rich of today and of the Gilded Age. Listen to hear more about the characteristics of the incredibly wealthy.
On June 13, 1971, the New York Times published a detailed report on America’s involvement in Vietnam, going back to the 1940s and continuing up until the mid-1960s. Known as the “Pentagon Papers”, this report was leaked to the Times and caused a sensation because, among other things, they detailed many aspects of America’s escalation of the Vietnam War that were previously unknown to the public. The papers led, eventually, to President Richard Nixon’s resignation. In 2011, on the 40th anniversary of the Pentagon Papers, a complete version of them was, without government edits, released to the public. This audio story describes the process by which the new version was released to the public and then reviews the historical context for the original release.
At its height, the Persian Empire stood as one of the ancient world’s largest and most powerful empires. One of its most famous leaders was the king known as Cyrus the Great who ruled Iran from 550-530 BC. One of the Persian Empire’s great treasures is the Cyrus Cylinder, which tells the story of Cyrus The Great’s rule. The cylinder depicts Cyrus as a king who was seen both as a great political and military leader, as well as the ancient world’s equivalent of a humanitarian. Evidence for all of these characteristics can be found on the Cyrus Cylinder. The audio story describes the cylinder as one of the oldest declarations of human rights found in archaeology. It also describes the pride modern Iran, often criticized for human rights violations, has for the legacy of Cyrus the Great.
Scientists have now figured out the genetic code to one of the oldest known plagues. Eight hundred years before the Black Death struck in 1347, there was another plague that occurred in Europe in the 6th century CE. Scientists have now figured out the genetic code to the oldest known epidemic and discovered that the “Justinian plague” was the first outbreak of bubonic plague. Listen to hear about how a farmland gave scientists answers to centuries worth of questions.
Infectious diseases like plague don’t just impact humans, they can spread and decimate animal populations as well. One scientist saw the impact of plague in prairie dog colonies and among black footed ferrets. He questioned whether the scientific understanding of plague cycles and transmission was accurate. Listen to learn what scientists discovered about plague and its larger impact on ecosystems.
Racial segregation in the United States was challenged in two landmark Supreme Court cases. The first, Plessy v. Ferguson (1896) involved a Louisiana law segregating railroad cars. The second, and more famous, Brown vs. Board of Education (1954), centered on segregation in public schools, but both centered on whether or not segregation was constitutional. In Plessy, the court ruled that segregation was constitutional. However, nearly 60 years later, the court came to the opposite conclusion. This audio story includes interview clips with descendants of three of the important people from these two cases. Listen to hear how they learned about their connection to these historic cases and how their lives have been impacted.
Seamus Heaney is considered one of Ireland’s greatest poets. He was prolific, writing 13 collections of poetry along with plays and books, and was the recipient of the Nobel Prize for Literature in 1995. Heaney grew up in rural Ireland and later wrote about the political and cultural struggles of his country. This audio story remembers the life of Seamus Heaney, who died in 2013. A fellow poet, Robert Pinsky is interviewed and describes Heaney as a generous and decent person along with being a great writer. Listen to hear Pinsky read one of Heaney’s poems and discuss the qualities of his friend.
The crossover dribble is a basketball move. But to some people it’s more than just a move, it is poetry. The Crossover, is a Newbery-Award-winning basketball novel by author Kwame Alexander. Students can relate in many ways to the themes in the novel, such as struggling with relationships, loneliness, and loss. In this audio story you will hear from the book’s author and hear students discuss how basketball is a kind of poetry in motion and how language and writing can capture that sense of cadence and rhythm as well. Listen to learn more about how author Kwame Alexander was motivated to write about the poetics of basketball and how readers relate to and are inspired by the tragedy and triumph in The Crossover.