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Mosquito and Tick-Borne Diseases: Dengue

DengueMosquito and Tick-Borne DiseasesIntroductionYellow FeverDengueWest Nile EncephalitisRocky Mountain Spotted FeverLyme Disease Dengue hemorrhagic fever (DHF) and dengue shock syndrome (DSS)…

Anatomy and
Physiology: The Four Chambers

The Four ChambersAnatomy and PhysiologyThe HeartAnatomy of the HeartThe Four ChambersThe Heart's Own BloodECG: Measuring a Beat So why do you need four chambers if three worked just fine for…

Niemeyer Soares, Oscar

(Encyclopedia) Niemeyer Soares, OscarNiemeyer Soares, Oscar&oobreve;skärˈ nēˈmīər s&oobreve;äˈrəs [key], 1907–2012, Brazil's foremost 20th-century architect, b. Rio de Janeiro. Influenced by…

DK Human Body: Nervous System

WHAT IS A NERVE? HOW DO NEURONS WORK? ARE ALL NEURONS THE SAME? WHAT IS A REFLEX ACTION? FIND OUT MOREThe brain, nerves, and spinal cord make up the nervous system. It processes information from the…

DK Space: Space Stations

WHAT ARE SPACE STATIONS USED FOR? HOW ARE SPACE STATIONS BUILT? INTERNATIONAL SPACE STATIONFIND OUT MOREIn a space station, a large crewed spacecraft orbiting Earth, astronauts can live and work in…

DK Space: Astronauts

WHAT KINDS OF TASKS DO ASTRONAUTS PERFORM? HOW DO ASTRONAUTS TRAIN FOR THEIR MISSIONS? EXTRAVEHICULAR ACTIVITIESFIND OUT MOREAnyone who travels in space is called an astronaut. The Russians call…

Malaria: Fever and Ague: Malaria's Symptoms

Fever and Ague: Malaria's SymptomsMalariaIntroductionA Nasty ParasiteFever and Ague: Malaria's SymptomsA Frustrating, Yet Curable, DiseasePrevention and Cure People infected with malaria typically…

Anatomy and
Physiology: The Great Divide

The Great DivideAnatomy and PhysiologyThe Nervous SystemThe Great DivideSupport StaffNeuronsConnecting with SynapsesYou've Got Potential The nervous system can be divided two ways, anatomically…

Dreiser, Theodore

(Encyclopedia) Dreiser, TheodoreDreiser, Theodoredrīˈsər, –zər [key], 1871–1945, American novelist, b. Terre Haute, Ind. A pioneer of naturalism in American literature, Dreiser wrote novels…