Daily Trivia Quiz - Day 80 (2025-12-29)

Question 1

Why do coins sometimes leave a “metallic” smell on your hands even though metal itself doesn’t smell?

Accepted Answer

Skin oils react to form odorous aldehydes and ketones

Question 2

Why do honeybees build honeycomb cells in perfect hexagons?

Accepted Answer

Hexagons pack tightly without gaps while using the least wax for storage.

Question 3

Which river crosses the equator twice before reaching the ocean?

Accepted Answer

The Congo River

Question 4

Why do modern smartphones include multiple camera lenses?

Accepted Answer

Each lens has a different focal length (wide, ultra-wide, telephoto) to capture varied perspectives.

Question 5

What made the Penny Black stamp revolutionary when introduced in 1840?

Accepted Answer

It prepaid postage at a uniform rate so anyone could mail letters without the receiver paying.

Question 6

Why is the piano considered a percussion instrument?

Accepted Answer

Pressing keys drives hammers that strike strings, so sound comes from percussive hits.

Question 7

Why are vinyl records enjoying a resurgence in pop culture?

Accepted Answer

Collectors like the tactile artwork and analog warmth, and artists release limited pressings as keepsakes.

Question 8

Originally, what type of garment was the T-shirt considered before it became acceptable public wear?

Accepted Answer

Underwear

Question 9

Leo Fender, the inventor of the legendary Stratocaster and Telecaster electric guitars, famously could not do what?

Accepted Answer

Play the guitar

Question 10

What physical phenomenon allows bumblebees to fly despite having wings that seem too small for their bodies?

Accepted Answer

Creating mini-hurricanes (vortices) above their wings