TEACHERS: Try our Lessons free — free access during COVID-19 school closures

Learn More

Lessons PREMIUM


Science

Losing Weight While You Sleep

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.

Read More
ELA

Mall Culture Used to Connect Teens

For most of the last fifty years, the mall has been one of the most popular destination for teenagers all over America. It’s a place where young people spend time with each other to connect and build relationships. In recent years, though, that trend has changed, as fewer and fewer teenagers are choosing to spend their time at malls and more shopping is done online. Listen to one young person’s attempt to understand why teenage mall culture has changed so much recently.

Read More
ELA

Mark Twain and Samuel Clemens

Samuel Clemens became famous as an author under his pen-name, Mark Twain. As one of the most famous American authors of his time, Twain is well known for his biting sense of humor and keen sense of observation. As Samuel Clemens, though, his life was complex and tumultuous, often directly contradicting the things his alter ego said in books and articles. Listen to find out how one of America’s greatest novelists lived, and how that may have informed his writing.

Read More
ELA

Math in 'Alice in Wonderland'

Lewis Carroll’s 1865 fantasy novel, “Alice in Wonderland” is a beloved children’s book. The novel also comments on mathematics. Charles Dodgson, whose pen name was Lewis Carroll, originally invented the story to entertain his friends’ young daughters. Dodgson was himself a serious mathematician who lectured at Christ Church College in Oxford, England. When he put the story on paper to publish it, he ended up writing sections that poked fun at current mathematics, which he was worried were becoming increasingly abstract. Listen to the story to learn more about the mathematical references in “Alice in Wonderland.

Read More
ELA • ELL

Maya Angelou's Life and Legacy

Maya Angelou was an author, poet and icon. She grew up during segregation and used her work to empower and give voice to the African American community. Her memoir, "I Know Why the Caged Bird Sings" changed the literary world and opened doors for African American authors and women.

Read More
ELA

Memoir of an Undocumented Immigrant

Jose Antonio Vargas is an award-winning author who arrived in the U.S. as a young boy. Like thousands of other immigrants, his parents brought him into the country illegally in pursuit of the American Dream. In this audio story, Vargas explains how he found out his family’s secret and why he decided to tell the world he is undocumented. The story examines why America is seen as an ideal country for opportunity for thousands of people around the world and why some people send their children alone to the U.S. in pursuit of the American Dream.

Read More
Science

Mice Evolving at Warp Speed

Changes to a neighborhood park in Illinois have affected the Northern White-Footed mice who live in the forest nearby. Scientists who study living mice today compare them to museum samples of dead mice to understand how they've changed and why. What they are finding is that the mice are growing much faster than their ancestors. Listen to learn why the mice are changing and why no one picked up on it sooner.

Read More
Science

Microbes are Still a Mystery to Scientists and the Diversity of Life

The study of genes is moving toward a new frontier. There is a new field studying microorganisms which exist in living organisms. Microbes control every process on earth, and a human is made up of 90% bacteria. However, we know very little about these microbes. There is now a newer, more efficient way, to study this bacteria. From this scientists can discover new species and genes. Listen to learn how the study of microorganisms became so important.

Read More
Science

Microbes in the Water Hole

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.

Read More
Science

Microscopic Marine Organisms Can be Beautiful and Deadly

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.

Read More
ELA • ELL

Modernist Poet T.S. Eliot

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.

Read More
Science

Mosquitoes and Raindrops

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.

Read More
ELA • ELL

Motivation for Writing "A Raisin in the Sun"

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 received an insurance check, providing an opportunity to make positive changes in their lives. The audio story offers a glimpse into an alarming event that happened to author Hansberry’s family when they moved into a white neighborhood during segregation. Listen to learn about Lorraine Hansberry’s motivation for writing this iconic story and why A Raisin in the Sun made such an impact on American theater.

Read More
ELA

Narrative Choices

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.

Read More
ELA • ELL

Natalie Babbitt Writes for Young Readers

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.

Read More
Science

Nature vs. Nurture

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.

Read More
Science

Neanderthal Genes Live in Our Hair and Skin

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.

Read More
ELA

New Discoveries on "The Prince" by Machiavelli: Was He Really 'Machiavellian'?

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?

Read More
Science

New Planet on the Edge of Our Solar System

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.

Read More
ELA

Nigerian Author Chinua Achebe

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.

Read More
Science

Noises in the Ocean Threaten Marine Animals

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.

Read More