Heard but not Seen

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?




Similar Riddles

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

Asked by Neha on 05 May 2022


There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

Asked by Neha on 08 Apr 2022

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

Asked by Neha on 19 Sep 2021


A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

Asked by Neha on 08 Dec 2024

I shave every day, but my beard stays the same. What am I?

Asked by Neha on 12 Feb 2022

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

Asked by Neha on 02 Jan 2025


What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

Asked by Neha on 12 Jul 2021

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

Asked by Neha on 29 Feb 2024

What has many keys but can’t open a single lock?

Asked by Neha on 14 Feb 2022


It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

Asked by Neha on 17 May 2021

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Amazing Facts

Gamers

In 2011, people playing Foldit, an online puzzle game about protein folding, resolved the structure of an enzyme that causes an Aids-like disease in monkeys. Researchers had been working on the problem for 13 years. The gamers solved it in three weeks.