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DK Science: Light

WAVES AND PARTICLESLIGHTHOUSETRANSMISSION OF LIGHTLIGHT SOURCESSHADOWSFIND OUT MORELight makes the world seem bright and colourful to our eyes. Light is a type of electromagnetic radiation that…

Anatomy and
Physiology: The Circulatory System

The Circulatory SystemAnatomy and PhysiologyThe Circulatory SystemCells, Bells!Blood Types and GeneticsNow I Know My WBCs You might remember that blood is a form of connective tissue (widely…

Earthquakes and Tsunami

An earthquake is a trembling movement of the earth's crust. These tremors are generally caused by shifts of the plates that make up the earth's surface. The movements…

DK Space: Constellations

HOW DID CONSTELLATIONS GET THEIR NAMES? ARE THE STARS IN CONSTELLATIONS REALLY GROUPED TOGETHER IN SPACE? CAN EVERYONE SEE ALL OF THE CONSTELLATIONS? FIND OUT MOREGroups of bright stars that appear…

Anatomy and
Physiology: Anatomy of the Heart

Anatomy of the HeartAnatomy and PhysiologyThe HeartAnatomy of the HeartThe Four ChambersThe Heart's Own BloodECG: Measuring a Beat The four-chambered heart is the result of millions of years of…

The Brain: More Than Just a Thinker

You don't feel with your heart. Feelings and emotions are stored in your brain. You don't think with your head. You think with your brain, which is inside your head. You see with your eyes and…