Linkage from out of the country

I'm in Barbados for a week, but that isn't helping me avoid seeing the circus our head bozo has made.

• Pad of origami puzzles

• Beall's list of predatory journal publishers taken down — grab an archived copy while you can (G+)

• How quickly can you remove spaces from a string? A demonstration that bit-parallel programming techniques really work.

• Average distance to points on a circle (with better solutions on G+)

• Oberwolfach (and the other German University libraries) no longer have access to Elsevier journals (G+)

• Call for nominations — Nerode Prize in multivariate algorithmics and parameterized complexity — due by email March 1

• Trump's disrespect for free speech is showing: four journalists charged with felonies for covering anti-Trump protests

• First they came for the Iranians, Scott A. on the immigration shutdown (G+)

• Dubins paths, or how to park your car when it won't go into reverse (G+)

• Complex visualization untangles Trump’s business ties

• Giant aluminum coral reef sculpture by Marc Fornes & Very Many

• Roice Nelson untangles the structure of the Borromean rings complement from Not Knot (G+)

• Self-similar things are often fractals, but things with fractal dimensions are not all self-similar, and allowing some non-self-similarity is essential in modeling nature by fractals