Who put the “Tech” in Technicolor? Two MIT alumni co-founded the Technicolor Motion Picture Corporation in 1915. The “Tech” is a subtle tribute to their alma mater, the Massachusetts Institute of Technology.

“Waste-not” whatnot: Visit www.uncommongoods.com to see a wide variety of items for sale that have been made from recycled materials, such as typewriter keys (jewelry), bicycle parts (cafe tables and wine barrels (chairs).

The active ingredient in the Tums brand of antacid is the same chemical compound that is the principal ingredient in most:

A) Marshmallows

B) Loose-leaf paper

C) Seashells

D) Windows

Answer Monday

Thursday’s answer: According to the new World Map of Happiness, the three happiest countries are all in Europe: Denmark, Switzerland and Austria.