Weekly Filet #220: How (and why) we will colonise Mars. And more.
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Read this before you die
Plus: How one snail inspired two novels on two continents. (#547)
Economics, but fun
Plus: a once in a lifetime experience. (#546)
Reasons for Hope
You're here for a reason. Find the reason. And do your bit. (#545)
Why we need more death rays
Plus: It's my lucky week! (#544)