Daily Trivia Quiz - Day 166 (2026-04-03)

Question 1

Why can a splash of cold water on the face suddenly calm the body and slow the heartbeat?

Accepted Answer

Because cold water can trigger the diving reflex, which slows the heart rate

Question 2

Ski jumpers once kept their skis parallel in midair, then suddenly started flying farther with a new style that looked almost wrong at first. What changed?

Accepted Answer

They spread the skis into a V

Question 3

Sometimes bright 'extra suns' appear to the left and right of the real Sun in cold weather. What creates those glowing companions?

Accepted Answer

Ice crystals in the air

Question 4

In ancient Roman cities, many residents did not cook every meal at home. Instead, they often bought hot food from what kind of place?

Accepted Answer

Street food stalls

Question 5

An Archimedes screw can raise water uphill using little more than a tilted tube and a turning helix inside it. What actually moves the water upward?

Accepted Answer

Pockets trapped between the spiral blades

Question 6

A fig can serve as both nursery and grave for the tiny wasp that pollinates it. Why do many female fig wasps never come back out once they enter?

Accepted Answer

They squeeze in through a tiny opening, often losing their wings, and usually die inside soon after

Question 7

Aircraft with two propellers on the same axis sometimes spin them in opposite directions. What major problem does that arrangement help cancel out?

Accepted Answer

Twisting torque

Question 8

When cheesemakers knead mozzarella curds while they're hot, what change gives the cheese its famous stretchy pull?

Accepted Answer

The proteins align

Question 9

In the Victorian era, someone could send a message of affection, regret, or refusal without writing a note at all. How?

Accepted Answer

By choosing specific flowers

Question 10

A shrike sometimes leaves mice or insects spiked on thorns before eating them. Why does it do that?

Accepted Answer

To store and tear prey