Daily Trivia Quiz - Day 79 (2025-12-28)

Question 1

Why are melodramatic daytime dramas called “soap operas”?

Accepted Answer

They were originally sponsored by soap companies on radio

Question 2

Why were public clocks often placed on tall towers?

Accepted Answer

So an entire town could share the same time

Question 3

Why do some pinecones wait for a wildfire before dropping their seeds?

Accepted Answer

The resin in the scales melts in the heat so they open onto nutrient-rich ash.

Question 4

Why do many hotel lobbies smell of citrus or clean linen?

Accepted Answer

Subtle ambient scents trigger our brain's cleanliness cues and raise guest comfort scores.

Question 5

Why do cats often purr when they are injured?

Accepted Answer

The 25–150 Hz vibrations stimulate tissue repair and bone growth.

Question 6

Why do some streaming services release TV episodes weekly instead of all at once?

Accepted Answer

Weekly drops keep the show in conversation longer and build anticipation between installments.

Question 7

What happens to Cambodia's Tonle Sap River each wet season?

Accepted Answer

The Mekong swells and pushes the river backward, flooding the lake and expanding it fivefold.

Question 8

Why did mattress makers once recommend flipping or rotating mattresses regularly?

Accepted Answer

Rotating spreads body impressions evenly, extending the mattress's supportive life.

Question 9

Why does a cactus open its stomata at night instead of during the day?

Accepted Answer

It stores CO₂ in a chemical form overnight so it can photosynthesize during the day without losing water.

Question 10

How do Tibetan throat singers sound like they are singing two notes at once?

Accepted Answer

They sustain a low drone while shaping their mouth to amplify higher harmonics.