Why do human beings explore? And, why are the most adventurous explorers drawn to outer space? Naturalist and astronomer David Aguilar explains why the drive for adventure fades after childhood, and how we can regain it as adults.

Less than a month into his presidency, Donald Trump made combative and accusatory remarks on Twitter about the intelligence community for a report on Russian connections. Are his messages undermining the legitimacy of the intelligence community?

Kleptocracy presents a growing threat to US national security and international peace, as money laundering and other forms of public “grand corruption” increasingly undermine democracy, cripple development, weaken Western soft power, and accelerate state collapse.

Two award-winning authors who write about race and identity are featured in this episode. Margot Lee Shetterly wrote "Hidden Figures" and Chimamanda Ngozi Adichie wrote "Americanah."

Vividly bringing to life the latest scientific research in psychology, cognitive neuroscience, philosophy, and behavioral economics, Harvard psychologist Dan Gilbert reveals what scientists have discovered about the uniquely human ability to imagine the future.

If the 20 years from 1995 to 2015 were shaped in significant measure by digitization and the rise of the internet, what’s next?

In this rebroadcast, Aspen Institute President and Einstein biographer Walter Isaacson delves into the source of Albert Einstein’s creativity. Where did it come from? How was it reflected in his life? And what can we learn from it?

Everything—from the country’s place in the world to the social contract between citizens, government, and the private sector—seems to be knotted in hard, uncompromising debates.

Chaos in the Middle East, instability in Europe, and a reckless North Korea are signals that the world is increasingly defined by disorder. Author and Council on Foreign Relations President Richard Haass says the world needs an updated global operating system.

Thanks to technology, we are more connected than ever—digitally. But at what cost? How have technologies, like online dating sites and apps like Tinder, changed attitudes and behaviors?