The sea pig, Scotoplanes globosa — a deep-sea sea cucumber

Via Echinoblog:

Images 1 and 2: Via WikipediaLink 1; link 2. Lindberg, 1882, Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 : under the command of Captain George S. Nares, R.N., F.R.S. and Captain Frank Turle Thomson, R.N. (public domain)

image 3: (the shiny pink one — source)

Image 4: (the sinister-looking one — source)

Image 5: (the other pink one — source)

Image 6: (the toy — source)

Apparently it’s even been made into a toy by Agatsuma! Available on ebay.

Bucky Ball Pendant by Shannon Henry (image source)

More info on buckminsterfullerene

Pendant from Polymath Design Lab, and similar ones are available at their Etsy store, although I don’t see this particular wooden version (or is it leather?).

They have other cool designs too!

Glider trails (Conway’s Game of Life)

Image 1: A 3D-printed version based on this thing that you can download and print! (image by Berend) 

Image 2: Source:’s_Life)

Caption: “A three-dimensional view of a glider, with previous generations visible going down the z-axis. The c/4 period is clearly visible as “stacks” of cells that remain alive for successive generations.” (cc-by-sa)

“Figure 2. Manufactured prefractals with fractal dimension 1.58 compared with the size of 10 euro cents. From left to right and by columns: Delta-Wired Sierpinski monopoles (DWS); Y-Wired Sierpinski monopoles (YWS); Sierpinski Arrowhead monopoles (SA); and Koch-1 Sierpinski monopoles (K1S).”