Planet Earth

What is the weight of the planet Earth? Is it constant or increasing?

Outer Space

Did Neil Armstrong really go to the Moon or NASA had faked the Moon landings?

Science and Technology

What Are Sound Waves Made of?

Science and Technology

Which gasses are used in electric bulbs? Or is a vacuum left inside?

How things work

Why do sliced potato and apple turn dark in open air?

Living Creatures

How do birds like vultures, kites, eagles etc fly without flapping wings?

Outer Space

How long is the longest solar and lunar eclipse?

World

Which country has the most expensive postage stamp?

Planet Earth

Which is the driest place on the Earth? is it the Atacama Desert?

Planet Earth

Why does a person weigh different at different places on our planet?

World

What was Nokia’s business when it started operations in 1865?

Science and Technology

Who Is The Inventor Of Matchstick? And Why Is It Called Safety Match?

Science and Technology

What is the unit of carat which is used for measuring the weight of diamonds?

Living Creatures

How big is the largest dinosaur egg found so far?

How things work

Why in traffic signals red light is always placed on the top but in railway signals it is placed below green light?