What is life expectancy, anyway?
+ Literature challenge, Supervaccine, Martian clouds (#338)
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Time travel will get you killed
Plus: Why wars last forever and how AI could enable a coup. (#581)
Notes from a burning planet
Plus: How dogs can smell time. (#580)
Watch the poison work
Plus: our ethical duty to grasp large numbers. (#579)
Worse on purpose
Plus: How to build a climate friendly city and how to catch an arsonist. (#578)