Human Biology

What is the reason for acidity and burning sensation in the chest after eating spicy food?

Living Creatures

Is Chihuahua the smallest breed of dog?

Human Biology

What's the reason for and benefits of fever and body temperature rise?

Science and Technology

What is meant by a zero watt bulb?

Human Biology

Why do we yawn? Is it infectious? And why do the ears appear to have become deaf during a yawn?

Planet Earth

What is the number of active volcanoes in the world?

How things work

What are the features of the world’s cheapest car, Tata Nano?

Planet Earth

Is there any physical evidence that asteroids struck our planet in the past?

Planet Earth

What is the quantity of gold in the seawater? Is it possible to reap it?

Planet Earth

Why does sunflower always face towards the Sun?

Science and Technology

Why is steam hotter than the boiling water?

Planet Earth

Why the skin of a banana turns black in the refrigerator?

Science and Technology

Why does food cook quicker in a pressure cooker?

Planet Earth

Out of the 24, which time zone applies to Antarctica where all time zones meet?

World

What's the origin of the words post-box, postage, post office and postman?