One of the things I missed during senior design: Scott Alexander continuing to hack at a Bayesian theory of mind. Worth comparing to Objectivist epistemology and related, realist theories.
Jacob over at Put A Number On It has some interesting advice for being lucky: instead of trying to improve the base rate, increase your variance. The post includes examples from both sports and politics, and I'm sure you can generate a few more yourself.
Slate Star Codex celebrates five years of blogging.
The Mars 2020 rover will be taking at least one Martian meteorite sample for instrument calibration. This isn't the first piece of the Red Planet to head back, however: Mars Global Surveyor still has a small piece in orbit. We could still get that one back if we rush things.
I'm not sure how you could miss it, but just in case: Falcon Heavy test flight went mostly successfully. I'm counting this toward my 2018 predictions, despite a hard landing on the central core, because the basic architecture functioned properly.
Speaking of space, everyone finally noticed the NASA plutonium shortage, because the Department of Energy recently restarted production. The KiloPower Reactor project is still progressing, with reactor tests now underway in Nevada.
Scott Sumner on Overton Window shifts in mainstream economics and the continued question of housing prices.
NVIDIA releases a "fast photorealistic style transfer algorithm" that will apply the style of one image to another. According to the paper, it purports to be significantly better than previous approaches. The code is available under Creative Commons with some honestly impressive examples.