working from home on an autumn (?) morning

Spring has sprung!

I don't know the exact mechanism, but I'm willing to bet that there's a mobile element behind this!

Happy 2025 everybody! (with thanks to the KaleidoPaint app)

Supercoiling toys for my grad class.
All from Amazon - two rolls of 4mm tubing cord for jewelry (2mm hole), 1 package of old-fashioned bead keychains, chopped up, to provide breakable / swivelable bonds. Hopefully helpful ...

South Side Science Festival coming soon!

I had to try it for myself. #AlphaFold 3 at least sometimes "gets" DNA sequence specificity! Test case = LexA. PDB has DNA-bound structure only for E. coli LexA, but different bugs have different LexA binding site sequences.

Dandelion therapy.

Some fun during yesterday's near-total eclipse with a zillion-pinhole camera (that is, an old loose-weave bag).

Chicago fought the fog ... and the fog won