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Washington, DC

Created municipal corporation: Feb. 21, 1871 Mayor: Muriel Bowser (to Dec. 2018) Motto: Justitia omnibus…

DK Arts & Entertainment: Painting

WHAT KINDS OF PAINTS DO ARTISTS USE? HOW AND WHEN DID PAINTING BEGIN? WHAT SUBJECTS DO ARTISTS PAINT? WHAT IS ILLUSIONISM? PERSPECTIVEFIND OUT MOREPainting is the art of creating pictures by…

DK Science: Feeding

Tree-top browserBalancing actLow browserVegetarian mouthsCretaceous food chainThroughout the dinosaur era, communities of dinosaurs were made up of plant-eaters (herbivores) and meat-eaters (…

DK Science: Insects

CLASS: INSECTAFIND OUT MOREAn insect’s body divides into three sections. The head holds the eyes, antennae, and mouthparts. The thorax bears three pairs of jointed legs and two pairs of…

DK Science: Trees

WOODY TISSUEFORESTSEVERGREEN TREESDECIDUOUS TREESFIND OUT MOREThese tall, seed-producing plants live for many years and do not die in winter. Trees have a single woody stem, called a trunk,…

Botany Science Projects

Science projects for all grades.   More Science Projects Biology Science ProjectsChemistry Science ProjectsEarth Science ProjectsPhysical Science Projects Related Links Botany…

Museums on Display

People have been collecting precious objects since at least the 3rd century B.C. That's when the Museum of Alexandria was open for business. Through the ages, members of royalty, universities and…

When Music and Politics Collide

From Verdi to Pussy Riot, musicians use their lyrics and music as a vehicle to express their political views. by Jennie Wood Pussy…

Irish Writers: Biographies

Notable Irish Writers A-F | G-O | S-Y To be an artist is to fail, as no other dare fail, that failure is his world and the shrink from desertion, art and craft, good…

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…