1. Tumbling battery prices mean that EVs will not just have lower lifetime costs, but will also be cheaper to buy than internal combustion engine cars in most countries by 2025-29.
  2. Cellphone notifications are a tragedy of the digital commons.
  3. We now spend 30 minutes a day watching videos on our phones.
  4. Throughout our planet’s history, massive volcanic eruptions have devastated life. Could one bring an end to human civilization?

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