Daily Trivia Quiz - Day 53 (2025-12-02)

Question 1

Why does scrolling on your phone in bed often make it harder to fall asleep?

Accepted Answer

Blue rich light from the screen suppresses melatonin and shifts your body clock

Question 2

Why do we not feel Earth spinning at high speed beneath our feet?

Accepted Answer

Everything around us moves with Earth at nearly constant speed so we mainly sense changes in motion

Question 3

Before rubber bladders, what did many early football, or soccer, balls use as the inflatable inner bladder under the leather?

Accepted Answer

Inflated pig bladders

Question 4

What allows geckos to run up walls and across ceilings without glue or suction cups?

Accepted Answer

Millions of microscopic hairs on their toes that use van der Waals forces

Question 5

What causes some ocean waves to glow an eerie blue-green when disturbed at night?

Accepted Answer

Bioluminescent plankton emitting light when stirred

Question 6

Which 14th-century pandemic devastated Europe's population but also helped weaken feudalism by creating a severe labour shortage?

Accepted Answer

The Black Death (bubonic plague)

Question 7

Why does Earth's daytime sky appear blue to human eyes?

Accepted Answer

Air molecules scatter short blue wavelengths of sunlight more strongly (Rayleigh scattering)

Question 8

Group singing in a choir can cause what surprising effect on the singers' bodies?

Accepted Answer

Their heart rates tend to synchronise as they breathe together

Question 9

Which animated film about a lost clownfish inspired many people to buy pet clownfish, raising real-world concerns about over-collecting wild reef fish?

Accepted Answer

Finding Nemo

Question 10

Which country buries rye dough near hot springs overnight to slow-bake the dense bread called hverabrauð using geothermal heat instead of ovens?

Accepted Answer

Iceland