Daily Trivia Quiz - Day 98 (2026-01-16)

Question 1

If you were looking at a rainbow from a high-flying airplane, what shape would you see instead of an arch?

Accepted Answer

A full circle

Question 2

We often think ancient cities were filthy, but the Romans were obsessed with hygiene. They built massive public complexes dedicated entirely to what?

Accepted Answer

Bathing

Question 3

In the 1920s, the 'Radium Girls' were told to use their lips to point their brushes while painting watch dials with radioactive paint that did what?

Accepted Answer

Glowed in the dark

Question 4

Rodolphe Lindt revolutionized chocolate by accident when he left his mixing machine running all weekend. Instead of a ruined batch, he discovered a process that made chocolate smooth and what?

Accepted Answer

Melt in the mouth

Question 5

Despite being called 'paper money', US banknotes are not made from wood pulp. To survive the wash and wear, they are actually made of a blend of linen and what?

Accepted Answer

Cotton

Question 6

Invented to foil bank robbers, a 'Time Lock' prevents the vault from opening until a preset time, even if you have the correct what?

Accepted Answer

Key

Question 7

In 1831, a volcanic island named Graham Island rose from the sea, causing a diplomatic crisis as four nations claimed it. Before a war could start, the island resolved the dispute by doing what?

Accepted Answer

Sinking

Question 8

Art restorers in Italy have started using a surprising natural cleaning crew to eat dirt and glue off precious frescoes without damaging the paint. What are they using?

Accepted Answer

Bacteria

Question 9

Water striders can walk on ponds because they are so light that they don't break the 'skin' of the water. If you add a drop of soap to the water, they will immediately do what?

Accepted Answer

Sink

Question 10

Sir Marc Brunel invented the 'tunneling shield', a machine used to dig under the Thames River, after watching how a destructive 'shipworm' bored through what?

Accepted Answer

Wood