What causes ice cubes to crack when you drop them in a drink?
Air pressure changes
Thermal shock
Chemical reactions
Sound vibrations
What everyday item was originally invented to keep false teeth in place?
Chewing gum
Denture cream
Rubber bands
Toothpaste
Which fruit is banned from public transportation in several Asian countries due to its smell?
Pineapple
Durian
Jackfruit
Pomegranate
What happens to your brain when you learn a new language?
It shrinks slightly
It grows new gray matter
It uses less oxygen
It produces more dopamine
Which material was used to make early bulletproof vests before Kevlar was invented?
Compressed sand
Silk fabric
Steel mesh
Hardened leather
What do professional wine tasters and sommelier instructors have in common with music conductors?
Enhanced depth perception
Superior taste sensitivity
Increased lung capacity
Exceptional pattern recognition
What common office supply became popular during World War II as a symbol of resistance?
Rubber band
Paper clip
Stapler
Binder clip