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    • Inexplicable Space

    • By: Neil deGrasse Tyson
    • Narrated by: Neil deGrasse Tyson
    • Length: 32 mins
    • Unabridged
    • Overall
      4.5 out of 5 stars 15
    • Performance
      5 out of 5 stars 13
    • Story
      5 out of 5 stars 14

    Scientists have made astounding progress in their grasp of the universe. But what remains to be understood? Investigate some perplexing aspects of space that science has uncovered in the last half-century. Learn about the mysterious trajectory of the Pioneer spacecraft (known as the “Pioneer anomaly”). Explore two of the longest-standing problems in astrophysics: dark matter and dark energy. And even try to map the shape of space-time.

    • 5 out of 5 stars
    • great short lecture

    • By EmilyK on 03-29-18

    Regular price: $1.37

    • The Trial of Socrates

    • By: Rufus Fears
    • Narrated by: Rufus Fears
    • Length: 29 mins
    • Unabridged
    • Overall
      4.5 out of 5 stars 19
    • Performance
      4.5 out of 5 stars 17
    • Story
      4.5 out of 5 stars 17

    In his funeral oration, Pericles celebrates the Athenian democracy for its tolerance. The Athenians treasure freedom of speech as essential to true democracy. Yet this same Athenian democracy puts to death its greatest thinker and teacher, Socrates. Why?

    • 4 out of 5 stars
    • I learned, what I wish I had always known.

    • By E. R. Øyre on 02-10-18

    Regular price: $1.37

    • Spartan Warfare

    • By: Gregory S. Aldrete
    • Narrated by: Gregory S. Aldrete
    • Length: 32 mins
    • Unabridged
    • Overall
      4.5 out of 5 stars 19
    • Performance
      4.5 out of 5 stars 17
    • Story
      4.5 out of 5 stars 18

    Experience what it was like to be raised a Spartan man or woman, the changes in military tactics and equipment that made their armies so feared, and the tragic flaw that guaranteed that this Greek city-state's power, no matter how widespread or intimidating, could not endure.

    • 3 out of 5 stars
    • Spartan Topic, Spartan Lecture

    • By John on 05-06-18

    Regular price: $1.37

    • The Power of Awareness

    • By: Mark W. Muesse
    • Narrated by: Mark W. Muesse
    • Length: 33 mins
    • Original Recording
    • Overall
      3.5 out of 5 stars 7
    • Performance
      4 out of 5 stars 5
    • Story
      4 out of 5 stars 5

    Explore the notion of "mindfulness" - nonjudgmental attention to experience - as it occurs in everyday life and as a deliberate practice. Note the many benefits of mindfulness practice, from the freedom to choose how you respond to life, to releasing detrimental emotions and patterns of thinking, to its effects on your physical health.

    Regular price: $1.37

    • Why Does Spacetime Curve?

    • By: Richard Wolfson
    • Narrated by: Richard Wolfson
    • Length: 28 mins
    • Unabridged
    • Overall
      4 out of 5 stars 14
    • Performance
      4 out of 5 stars 14
    • Story
      4 out of 5 stars 14

    What causes spacetime to curve? Einstein's theory of relativity offers an answer, but for decades after he published it, there were only a few, very subtle tests of its validity. How has modern astrophysics changed all that?

    • 4 out of 5 stars
    • No WHY really

    • By Ivan B. Ahlert on 01-19-18

    Regular price: $1.37

    • The Art of Effective Communications

    • By: Clinton Longenecker
    • Narrated by: Clinton Longenecker
    • Length: 33 mins
    • Unabridged
    • Overall
      3.5 out of 5 stars 6
    • Performance
      3.5 out of 5 stars 5
    • Story
      3 out of 5 stars 5

    Cultivate stronger communication skills with this engaging lecture that covers three burning communication needs in an organization and introduces you to six critically important lessons every effective communicator should follow.

    Regular price: $1.37

    • How Addiction Hijacks the Brain

    • By: Thad A. Polk
    • Narrated by: Thad A. Polk
    • Length: 32 mins
    • Unabridged
    • Overall
      5 out of 5 stars 9
    • Performance
      5 out of 5 stars 8
    • Story
      5 out of 5 stars 8

    Here you’ll examine the ways addiction alters the brain by numbing the pleasure center, sensitizing the dopamine system, and inhibiting the prefrontal cortex. Combined, these altered brain functions lead to strong cravings and a reduced ability to control one’s actions. This foray into neuroscience will forever change the way you think about addiction.

    Regular price: $1.37

    • Roman Emperors - Good, Bad, and Crazy

    • By: Gregory S. Aldrete
    • Narrated by: Gregory S. Aldrete
    • Length: 28 mins
    • Unabridged
    • Overall
      4 out of 5 stars 14
    • Performance
      4 out of 5 stars 12
    • Story
      4 out of 5 stars 13

    Follow the fortunes of the empire during the two centuries following Augustus and Tiberius, which included not only some of Rome's wisest and most conscientious emperors, like Trajan and Marcus Aurelius, but also some of its most notorious and deranged tyrants, like Caligula and Nero.

    Regular price: $1.37

    • How the Words of Modern English Emerged

    • By: John McWhorter
    • Narrated by: John McWhorter
    • Length: 31 mins
    • Unabridged
    • Overall
      4.5 out of 5 stars 14
    • Performance
      4.5 out of 5 stars 11
    • Story
      4.5 out of 5 stars 12

    Starting with Celtic contributions to English vocabulary, explore the borrowings from Old Norse, French, and Latin. These have enriched English with a wealth of synonyms, allowing speakers to choose between alternatives such as the Anglo-Saxon hide versus the Latinate conceal.

    Regular price: $1.37

    • The Manhattan Project

    • By: Edward T. O'Donnell
    • Narrated by: Edward T. O'Donnell
    • Length: 29 mins
    • Original Recording
    • Overall
      3.5 out of 5 stars 11
    • Performance
      4 out of 5 stars 9
    • Story
      4 out of 5 stars 10

    The origins of the atomic bomb go back to 1939, when scientists and military leaders undertook an operation to create the world's first successful atomic weapon before the Nazis could. Investigate how the Manhattan Project began, and follow its legacy through the bombing of two Japanese cities that ended World War II.

    Regular price: $1.37

    • Understanding the Flaws and Fabrications of Memory

    • By: Steven Novella
    • Narrated by: Steven Novella
    • Length: 33 mins
    • Unabridged
    • Overall
      4.5 out of 5 stars 12
    • Performance
      4.5 out of 5 stars 11
    • Story
      4.5 out of 5 stars 9

    Memory is tricky, to say the least. Here, unpack the vital role that memories - even inaccurate memories - play in critical thinking. Some of the many topics you’ll explore: how memory recall works; the roots of source amnesia; the inverse relationship between confidence and accuracy in a memory; and how memories can even be manufactured.

    Regular price: $1.37

    • Understanding Copernicus, Kepler, and Galileo

    • By: Steven Pollock
    • Narrated by: Steven Pollock
    • Length: 30 mins
    • Unabridged
    • Overall
      4.5 out of 5 stars 8
    • Performance
      4.5 out of 5 stars 6
    • Story
      4.5 out of 5 stars 6

    Speculations on Earth's place in the universe, the nature of planets, and the structure of the solar system were at the heart of the development of classical physics. This lecture looks at the work of Copernicus, Kepler, and Galileo.

    Regular price: $1.37

    • Insight: Clearing the Mind

    • By: Mark W. Muesse
    • Narrated by: Mark W. Muesse
    • Length: 32 mins
    • Original Recording
    • Overall
      4 out of 5 stars 4
    • Performance
      4 out of 5 stars 4
    • Story
      4 out of 5 stars 4

    Practicing mindfulness over time prepares the mind for "insight," which in this tradition means seeing clearly into the fundamental nature of reality. Begin an inquiry into what Buddhism calls the three "marks" of existence with the notion of impermanence - the eternal arising and passing away of all phenomena.

    Regular price: $1.37

    • Stalin

    • By: Vejas Gabriel Liulevicius
    • Narrated by: Vejas Gabriel Liulevicius
    • Length: 31 mins
    • Unabridged
    • Overall
      4 out of 5 stars 10
    • Performance
      4 out of 5 stars 7
    • Story
      4 out of 5 stars 7

    Josef Stalin, the "Man of Steel," made himself synonymous with the state. This lecture examines obscure beginnings, his rise to power, and the cult of personality deliberately crafted around him.

    Regular price: $1.37

    • Napoleon

    • By: Jonathan Steinberg
    • Narrated by: Jonathan Steinberg
    • Length: 30 mins
    • Unabridged
    • Overall
      4 out of 5 stars 5
    • Performance
      4 out of 5 stars 5
    • Story
      4 out of 5 stars 5

    Learn how Napoleon implemented - by force - the principles of the French Revolution.

    Regular price: $1.37

    • How to Understand and Manage Your Emotions

    • By: Jason M. Satterfield
    • Narrated by: Jason M. Satterfield
    • Length: 27 mins
    • Unabridged
    • Overall
      3.5 out of 5 stars 9
    • Performance
      4 out of 5 stars 7
    • Story
      3.5 out of 5 stars 8

    This lecture introduces the concept of emotional intelligence: how we perceive, use, understand, and manage emotions. Explore different models of EQ and ways of testing it as they relate to health and the regulation of emotions. Study key strategies for managing negative emotions and for generating positive ones.

    Regular price: $1.37

    • Being a Poor Roman

    • By: Robert Garland
    • Narrated by: Robert Garland
    • Length: 30 mins
    • Unabridged
    • Overall
      4 out of 5 stars 11
    • Performance
      4 out of 5 stars 9
    • Story
      4 out of 5 stars 10

    Put yourself into the world of Rome’s plebian class. This lecture takes you to the leaky, rat-infested housing where the urban poor suffered from disease and malnutrition, and you’ll experience the threat of fire that hung over Rome in the 1st century A.D. You’ll also get a glimpse of what sustained the day-to-day life of the poor.

    Regular price: $1.37

    • Science and the Supernatural

    • By: Steven Novella
    • Narrated by: Steven Novella
    • Length: 30 mins
    • Unabridged
    • Overall
      4 out of 5 stars 17
    • Performance
      4 out of 5 stars 14
    • Story
      4 out of 5 stars 16

    What are we to make of “supernatural” issues such as the existence of ghosts and the possibility of miracles? Approach these and other topics from a critical thinker’s perspective. Along the way, examine the deeper issue at work here: what is - and what should be - the relationship between science and the belief in things we can’t see.

    • 5 out of 5 stars
    • Far More Profound Than I'd Imagined

    • By Spencer on 02-19-18

    Regular price: $1.37

    • Being A Rich Roman

    • By: Robert Garland
    • Narrated by: Robert Garland
    • Length: 28 mins
    • Original Recording
    • Overall
      4 out of 5 stars 12
    • Performance
      4 out of 5 stars 10
    • Story
      4 out of 5 stars 9

    Now check out the lives of the rich. You’ll tour the grand house in the city and the countryside, learn about the customs of dress, food, and hygiene, and follow a rich Roman around for the day - complete with doting clients who make him seem important.

    Regular price: $1.37

    • The Young Elizabeth I

    • By: Robert Bucholz
    • Narrated by: Robert Bucholz
    • Length: 30 mins
    • Unabridged
    • Overall
      4.5 out of 5 stars 8
    • Performance
      4.5 out of 5 stars 6
    • Story
      4.5 out of 5 stars 7

    As Queen, Elizabeth uses her superb political skills to balance off both competing court factions and potential suitors. Rejecting marriage, she cultivates the image of "Gloriana," the Virgin Queen symbolically wed to the people of England.

    Regular price: $1.37

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