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DK Science: Comets

COMET HALE-BOPPCOMET ORBITSBIOGRAPHY: EDMOND HALLEY English, 1656-1742METEORSFIND OUT MORESometimes icy lumps left over from the birth of the Solar System visit our skies. We see them as comets…

DK Science: Lenses

CONTACT LENSCONCAVE AND CONVEX LENSESFRESNEL LENSSLIDE PROJECTORMAGNIFYING GLASSFIND OUT MOREA lens is a piece of transparent plastic or glass that can make things seem to change size. It works…

DK History: Scientific Revolution

WHO WAS THE FIRST PERSON TO SEE GERMS? WHO DISCOVERED HOW BLOOD CIRCULATES? WHO WERE THE FIRST CHEMISTS? REFLECTING TELESCOPE BIOGRAPHY: ROBERT BOYLE 1627–1691 FIND OUT MOREThe 18th century was a…

Career Resources

Homework Center – Frequently Asked Questions   Careers   Where can I find out about different careers? Where can I learn the education requirements and salaries for a job in…

Anatomy and
Physiology: Cells, Bells!

Cells, Bells!Anatomy and PhysiologyThe Circulatory SystemCells, Bells!Blood Types and GeneticsNow I Know My WBCs My first introduction to white blood cells was that old sci-fi classic, Fantastic…

Anatomy and
Physiology: The Parts of a Bone

The Parts of a BoneAnatomy and PhysiologyThe BonesThe Parts of a BoneThat's the Long and Short of ItThe More Things Change …Now with a Self-Repairing Option! Most people envision bone as being…

Theories of the Universe: And God Said …

And God Said …Theories of the UniverseEvolution vs. CreationismIt's a Matter of OpinionHow Did We Get Here?And God Said … We've already discussed some of the creation story found in Genesis as…