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DK Earth: Climate

WHAT AFFECTS AN AREA’S CLIMATE? WHY DO TROPICAL REGIONS HAVE HOT CLIMATES? WHAT IS A CONTINENTAL CLIMATE? FIND OUT MORE Every part of the world has its own climate—a characteristic…

Minority Oscar Winners in Major Acting Categories

Jennie Wood 1. Hattie McDaniel  2. José Ferrer  3. Anthony Quinn  4. Rita Moreno  5. Sidney Poitier  6. Sacheen Littlefeather  7. Louis Gossett, Jr.  8. Whoopi Goldberg  9. Mercedes…

gamma radiation

(Encyclopedia) gamma radiation, high-energy photons emitted as one of the three types of radiation resulting from natural radioactivity. It is the most energetic form of electromagnetic radiation,…

electric fish

(Encyclopedia) electric fish, name for various fish that produce electricity by means of organs usually developed from modified muscle tissue. The electric eels of South America are freshwater…

sextant

(Encyclopedia) CE5 Sextant sextant, instrument for measuring the altitude of the sun or another celestial body; such measurements can then be used to determine the observer's geographical…

DK Science: Cameras

PINHOLE CAMERAFILM CAMERAMILESTONES OF PHOTOGRAPHYPHOTOGRAPHIC FILMDIGITAL PHOTOGRAPHYFIND OUT MOREA camera is a device that records pictures. It consists of a sealed box that catches the light…

DK Space: Astronomy

WHEN DID PEOPLE FIRST STUDY THE SKY? WHAT DO ASTRONOMERS STUDY TODAY? TELESCOPESFIND OUT MOREAstronomy is the science that studies the stars and all the other bodies (objects) in space. The…

The Doors

rock group Rock group remembered for its dark, poetic lyrics, psychedelic guitars, and the drug-induced antics of singer Jim Morrison. Morrison met keyboardist Ray Manzarek at UCLA in the mid-…