Living Creatures

Why does a honey bee die after it stings a human being or an animal?

Planet Earth

How can a Peepal tree grow on a bare wall which apparently lacks nutrients?

Science and Technology

How many electrons are there in electric current?

Science and Technology

Why sand is attracted to magnet even though it is not a metal?

World

Why is number 13 considered unlucky?

World

Which was the world’s first newspaper? When did it begin?

Outer Space

Is there any possibility of undertaking the first manned space flight to Mars, the red planet?

Planet Earth

Which are the biggest waterfalls in the world, apart from Niagara Falls?

Planet Earth

Where is the next tsunami expected to strike? Western USA!

Planet Earth

When a leaf is plucked from a tree, does it hurt the tree?

Living Creatures

Some camels have two humps on their back. What are they called?

Planet Earth

Where does the flavoring agent vanilla come from? Is it sourced from plants?

How things work

How much CO2 does a passenger car emit per kilometer traveled?

Planet Earth

Like the Moon, does the Sun play any role in causing ocean tides?

World

What function does barcode perform? And where is it used?