Human Biology

Why do we lose the sense of smell when we have a cold?

How things work

What does the word ‘Cola’ mean in Coca-Cola and Pepsi-Cola etc.?

World

Which is the world’s largest construction in terms of ground area?

Outer Space

When was the existence of black holes predicted for the first time? And by whom?

How things work

Who is the inventor of sellotape? (Richard G. Drew)

Planet Earth

What is responsible for the extinction of dinosaurs, asteroid impact or volcanic eruptions?

Science and Technology

Who owns the Internet? Is it the US Government?

Science and Technology

Why does iron sink in water but floats on mercury?

Science and Technology

How does blood pressure measuring apparatus (sphygmomanometer) work?

Science and Technology

Why does heat make paper curl up?

Science and Technology

Who invented Intel’s first Pentium chip?

Human Biology

How can doctors tell our temperature by feeling our pulse?

Human Biology

Why does the tongue burn after eating chili? What is the quick remedy for it?

Human Biology

Do our brains work while we are asleep?

Living Creatures

Which bird lays the largest egg?