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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An "interstate water system" could fix the West's water woes

We have pipelines for oil and natural gas. Why not water?

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  • The U.S. West suffers from severe — and worsening — water shortages.
  • America does not have a water supply problem; it has a water distribution problem.
  • We should build water pipelines, akin to the Interstate Highway System.
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Havana syndrome: How a “directed-energy” weapon may be injuring American intelligence operatives

U.S. officials suspect a foreign adversary is targeting American personnel with some form of "directed-energy" weapon.

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  • In recent history, the first reports of a potential directed-energy attack on U.S. personnel came in 2016 from American diplomats working in Cuba.
  • There's no "smoking gun" evidence of who's behind the attacks, but some U.S. officials suspect the Russians.
  • Supporting that claim is the history of the so-called Moscow Signal, an event in which the Soviets blasted microwaves at the U.S. embassy in Moscow from 1953 to 1976.
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  • People who are intolerant of uncertainty are more likely to hold extreme beliefs, according to previous research.
  • A new study shows that this phenomenon seems to apply to both the left and the right.
  • The results are promising because they suggest political polarization might be mitigated by presenting information in a more neutral fashion and by helping people better tolerate uncertainty.
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Study: You would spend 90 extra days in jail in a private prison

A new study suggests that private prisons hold prisoners for a longer period of time, wasting the cost savings that private prisons are supposed to provide over public ones.

  • Private prisons in Mississippi tend to hold prisoners 90 days longer than public ones.
  • The extra days eat up half of the expected cost savings of a private prison.
  • The study leaves several open questions, such as what affect these extra days have on recidivism rates.
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