These 1,000 hexagons show how global wealth is distributed

A cartogram makes it easy to compare regional and national GDPs at a glance.

Credit: BerryBlue_BlueBerry, reproduced with kind permission
  • On these maps, each hexagon represents one-thousandth of the world's economy.
  • That makes it easy to compare the GDP of regions and nations across the globe.
  • There are versions for nominal GDP and GDP adjusted for purchasing power.
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How Europe will beat China on batteries

Map shows Europe's imminent Great Leap Forward in battery cell production

Credit: CIC energiGUNE
  • China produces 80 percent of electric vehicle batteries.
  • To achieve battery independence, Europe is ramping up production.
  • And the U.S.? Action is needed, and quick.
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China’s most important border is imaginary: the Hu Line

First drawn in 1935, Hu Line illustrates persistent demographic split – how Beijing deals with it will determine the country's future.

Credit: Tomaatje12, CC0 1.0 – Public domain.
  • In 1935, demographer Hu Huanyong drew a line across a map of China.
  • The 'Hu Line' illustrated a remarkable divide in China's population distribution.
  • That divide remains relevant, not just for China's present but also for its future.

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Who were the most legendary ancient rulers of all time?

From Ramses II to Alexander the Great, these leaders helped shaped the world we know today.

Karl Oderich, Public domain, via Wikimedia Commons
  • We often dismiss ancient history and the people in it as too long past to be noteworthy.
  • Some early rulers were so iconic that their names and works passed into legend and influenced others for centuries.
  • Every person on this list contributed to the world you live in today.
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What is the ‘self’? The 3 layers of your identity.

Answering the question of who you are is not an easy task. Let's unpack what culture, philosophy, and neuroscience have to say.

  • Who am I? It's a question that humans have grappled with since the dawn of time, and most of us are no closer to an answer.
  • Trying to pin down what makes you you depends on which school of thought you prescribe to. Some argue that the self is an illusion, while others believe that finding one's "true self" is about sincerity and authenticity.
  • In this video, author Gish Jen, Harvard professor Michael Puett, psychotherapist Mark Epstein, and neuroscientist Sam Harris discuss three layers of the self, looking through the lens of culture, philosophy, and neuroscience.
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