What everyday object was invented to prevent workplace accidents?
Safety pins
Time zones
Hard hats
Traffic lights
Which musical instrument requires you to breathe backwards?
Didgeridoo
Glass harmonica
Accordion
Bagpipes
What architectural feature was designed to keep diseases away?
High ceilings
Bay windows
Pointed arches
Wide doorways
Which common household item was banned in medieval Paris?
Mirrors
Chimneys
Glass windows
Wooden shoes
What causes the distinctive smell of old books?
Decomposing glue
Mold spores
Vanilla compounds
Oxidizing ink
What surprising material were George Washington's dentures made from?
Carved wood
Whale bone
Human teeth
Hippopotamus ivory
What happens when you swallow Pop Rocks candy?
Your stomach explodes
Nothing dangerous happens
You get severe hiccups
Your mouth goes numb