# Key Points from IRC Log Discussion

• Kanzure developed and shared "pdfparanoia" (https://github.com/kanzure/pdfparanoia), a tool for removing identifying watermarks from JSTOR PDF downloads, along with manual methods for removing identifying information from academic papers.

• Heath shared a video on bioinspired robotics titled "Bioinspired Robotics: Softer, Smarter, Safer" (https://vimeo.com/132946279), highlighting advances in soft robotics technology.

• Kanzure shared Greg Maxwell's list of "things I'm surprised don't exist" in the Bitcoin ecosystem (https://en.bitcoin.it/wiki/User:Gmaxwell/things_im_surprised_dont_exist) and compiled a comprehensive review of SIGHASH_ proposals for Bitcoin.

• Burninate referenced "Introduction to Quantitative Genetics" by Douglas Falconer as the definitive foundational text in the field, despite its lack of an ebook version.

• A discussion on cryptographic concepts occurred, focusing on Merkle trees and proofs (http://hashcash.org/papers/merkle-proof.pdf), with the observation that "every advanced crypto concept is just a) complicated thing b) complicated thing c) merkle tree on top of complicated things d) complicated thing."

• A historical genetics discussion referenced the sterilization of schizophrenia patients in Nazi Germany and subsequent population-level effects on schizophrenia rates.