Holiday gift ideas

Muppet T-shirtBeloved and beleaguered scientist Beaker stands tall alongside his Muppet colleagues in this clever test tube rack T-shirt from WhimsySpaceStore on Etsy, starting at $21.99.Atomic orbital capTired of chemistry-themed apparel that features molecules? Then this atomic orbital cap is for you. It’s on sale for around $30 from RealScienceMerch on Etsy.Reusable bottleHydrate or caffeinate with this 500 mL stainless steel water bottle shaped like an Erlenmeyer flask. Its double-wall vacuum insulation to keep drinks hot or cold, and it’s available in five colors for $34.99 from the Calculated Chemist.Evolution of STEM LegoThis buildable creation celebrates science, technology, engineering, and mathematics (STEM), for $79.99 from Lego. Newscripts’ brick master says that even though the DNA turns left in this photo, it can be built with the correct right-handed turn.Daily cata-listCatalyze your daily to-do list with this punny notepad. At just $10 from Cognitive Surplus, it makes a great stocking stuffer.Serotonin shelfAdd molecular flair to your wall with this serotonin shelf, starting at $50 from NeuroShelves on Etsy. Items based on other neurochemicals, including adrenaline and dopamine, are also available.Titration cat pinThis titration cat pin, starting at $12.99, is just one of several cat- and chemistry-themed enamel pins that FrostDragonDesigns sells on Etsy.Bethany Halford wrote this month’s column. Please send comments and suggestions to [email protected].