Daily Trivia Quiz - Day 153 (2026-03-15)

Question 1

Before electric lighting, historical records suggest many Europeans often followed what nighttime sleep pattern?

Accepted Answer

Two sleep shifts

Question 2

Darwin's bark spider can stretch a web line across an entire river. What kind of silk makes this possible?

Accepted Answer

Exceptionally tough silk

Question 3

During some battles, people close to the guns reported strange silence while distant towns heard booming clearly. What caused this acoustic shadow effect?

Accepted Answer

Bending sound waves

Question 4

After some meteor impacts, tiny glassy beads can be found far away. Those beads formed from what material melted by the impact?

Accepted Answer

Melted surface rock

Question 5

In southern Africa, social weavers build giant nests that look like haystack apartment blocks. What makes these nests unusual?

Accepted Answer

Hundreds of birds may share one nest

Question 6

Some ant-mimicking jumping spiders survive by pretending to be an ant. What body trick helps sell the disguise?

Accepted Answer

It waves two legs

Question 7

Some lava advances so slowly that people can move belongings before it arrives. Compared with disasters like flash floods, what stands out most here?

Accepted Answer

You often get warning time

Question 8

A rare orchid has no visible leaves and its white flowers seem to float in midair like tiny frogs. Why does it appear to float?

Accepted Answer

Its roots attach to bark while little else is visible

Question 9

During severe drought, female kangaroos can pause development of an embryo until conditions improve. What survival advantage does this give?

Accepted Answer

Timing birth to better seasons

Question 10

On one island, a small bird can reach prey hidden deep inside wood holes, even when its beak cannot reach. What is unusual about how it does this?

Accepted Answer

It uses tools