Daily Trivia Quiz - Day 158 (2026-03-20)

Question 1

At coral reef cleaning stations, cleaner fish remove parasites from larger 'client' fish. Studies show they prefer some returning clients over others. What are they remembering?

Accepted Answer

Which client fish are more cooperative during cleaning

Question 2

A stubborn bottle of ketchup can suddenly pour much more easily after a sharp shake or tap. What has that motion briefly broken down inside the sauce?

Accepted Answer

Its internal network structure

Question 3

Before modern sanitation, some city dwellers carried small perfume balls on chains. What everyday problem were they trying to fight?

Accepted Answer

Foul smells

Question 4

A marine iguana can dive for algae, climb back onto the rocks, and then blast white spray from its nose. What is it getting rid of?

Accepted Answer

Extra salt

Question 5

One curving glass skyscraper in London became infamous because reflected sunlight did what to some parked cars below?

Accepted Answer

Warped their parts

Question 6

A cactus wren may build several extra nests even when it only needs one for eggs. Why make the extras?

Accepted Answer

To make the real nest harder for predators to find

Question 7

Before paved clean sidewalks were common, some people wore wooden overshoes called pattens under their regular shoes. What was the main benefit?

Accepted Answer

Keeping shoes and long clothes above mud

Question 8

In a bike race, why does riding close behind another cyclist save so much energy?

Accepted Answer

Less air resistance

Question 9

Ancient readers often faced texts written as one long stream of letters. Without spaces, what extra job did they have to do while reading?

Accepted Answer

Split words mentally

Question 10

After spending time on a boat, some people step onto land and still feel as if the ground is moving. What is their brain continuing to do?

Accepted Answer

Continue perceiving a rocking motion