Notes from the underground
Updated 7 November 2025
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A collection of philosophy links around the web.
122. Why the First Drawings of Neurons Were Defaced (2017)
Every exquisite drawing by Santiago Ramón y Cajal, the founder of modern neuroscience, is marred by a curious mark. Here’s why.
quantamagazine.org
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Can teleportation be verified empirically?
What’s a logical paradox?
Achilles & the tortoise
The surprise exam
Newcomb’s problem
Newcomb’s problem (sassy version)
Seeing and being
Logic test!
Philosophers say the strangest things
Favourite puzzles
Books on consciousness
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