Science and Technology

What is the technique of Earthing used in a three-pin electric plug?

Human Biology

What is the reason for somnambulism (sleepwalking)?

How things work

How is ‘expiry date’ of medicines determined?

How things work

Who created a worldwide craze for motorcycles? From which country it started?

Living Creatures

Why birds don’t fall down from a tree branch during sleep?

Living Creatures

How do police dogs sniff out hidden explosives?

Outer Space

What is the exact number of stars? What method is used by the astronomers to count them?

Living Creatures

Why does a rooster crow loudly at daybreak?

Outer Space

What do black holes in the universe look like?

Science and Technology

How do machines mimic human speech?

Living Creatures

Do White Elephants Really Exist? Where Can They Be Found?

Planet Earth

Why aren’t people at the equator thrown off into space by centrifugal force since the Earth is rotating at a high speed?

Outer Space

Why are astronauts weightless in the space? Is it because they are beyond the pull of gravity?

World

Why are races run in anticlockwise direction in athletic tournaments?

World

Why is tennis-ball furry?