Democracy: Still the worst kind of government except all the other kinds

In practice, no one has ever developed a democracy that works particularly well if judged in absolute terms. But all the alternatives so far have been worse.

Billionaire warlords: Why the future is medieval

The world's next superpower might just resurrect the Middle Ages.

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  • Russia? China? No. The rising world superpower is the billionaire class. Our problem, says Sean McFate, is that we're still thinking in nation states.
  • Nation states have only existed for the last 300-400 years. Before that, wealthy groups – tribes, empires, aristocracies, etc – employed mercenaries to wage private wars.
  • As wealth inequality reaches combustion point, we could land back in the status quo ante of the Middle Ages. Who will our overlords be? Any or all of the 26 ultra-rich billionaires who own as much as the world's 3.8 billion poorest. What about Fortune 500, which is more powerful than most of the states in the world? Random billionaires, multinational corporations, and the extractive industry may buy armies and wage war on their own terms.
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Golden blood: the rarest blood in the world

We explore the history of blood types and how they are classified to find out what makes the Rh-null type important to science and dangerous for those who live with it.

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Surprising Science
  • Fewer than 50 people worldwide have 'golden blood' — or Rh-null.
  • Blood is considered Rh-null if it lacks all of the 61 possible antigens in the Rh system.
  • It's also very dangerous to live with this blood type, as so few people have it.
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5 of the worst keto diet side effects

The keto diet can help with weight loss, but at what cost?

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Surprising Science
  • In addition to weight loss, there are a few well-known side effects of the keto diet, some of which can be unpleasant.
  • Some side effects of the keto diet are bound to occur, though others only happen when the diet is implemented poorly.
  • The keto diet doesn't have to lead to a host of negative side effects, but anyone considering undertaking the diet over the long term should be especially careful.
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