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David Goggins
Former Navy Seal
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Bryan Cranston
Actor
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Liv Boeree
International Poker Champion
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Amaryllis Fox
Former CIA Clandestine Operative
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Chris Hadfield
Retired Canadian Astronaut & Author
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An Open Mind Resists the Tyranny of Ideas

Words of wisdom from Cuban national hero José Martí: "A knowledge of different literatures is the best way to free one's self from the tyranny of any of them."

José Martí (1853-1895) was a Cuban national hero and an important figure in Latin American literary history. In his short life, he was a poet, an essayist, a journalist, a revolutionary philosopher, a translator, a professor, a publisher, and a political theorist. Through his writings and political activity, he became a symbol for Cuba's bid for independence against Spain in the 19th century, and is referred to as the "Apostle of Cuban Independence." His death was used as a cry for Cuban independence from Spain by both the Cuban revolutionaries and those Cubans previously reluctant to start a revolt.


"A knowledge of different literatures is the best way to free one's self from the tyranny of any of them."

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The psychology of psychopathy: An inside look at the psychopathic brain

A 2017 University of Wisconsin-Madison study was the first of it's kind to show structural differences in the psychopathic brain.

Credit: State Archives of Florida, Florida Memory / Big Think
Mind & Brain
  • According to a 2017 study led by the University of Wisconsin-Madison, psychopaths have reduced connections in the areas of the brain that control fear, anxiety, empathy and sentimentality.
  • Psychopathy is typically diagnosed using a 20-item checklist called the Hare Psychopathy Checklist.
  • Psychopathic tendencies could be considered "warning signs" of psychopathy, but it's important to note that not everyone who shows psychopathic tendencies becomes a psychopath.
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Space travel could create language unintelligible to people on Earth

A new study looks at what would happen to human language on a long journey to other star systems.

Cylindrical space colony.

Credit: NASA Ames Research Center.
Surprising Science
  • A new study proposes that language could change dramatically on long space voyages.
  • Spacefaring people might lose the ability to understand the people of Earth.
  • This scenario is of particular concern for potential "generation ships".
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Your emotions are the new hot commodity — and there’s an app for that

Many of the most popular apps are about self-improvement.

Drew Angerer/Getty Images
Personal Growth

Emotions are the newest hot commodity, and we can't get enough.

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