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Anatomy and
Physiology: The Digestive System

The Digestive SystemAnatomy and PhysiologyThe Digestive SystemStops Along the WayIt's a Long Way DownJack-of-All-TradesRunning Along the TractPancreatic Panacea?What We Do with Our Food We are…

DK Science & Technology: Sound

HOW ARE SOUNDS MADE? HOW DO MUSICAL INSTRUMENTS MAKE MUSIC? WHY ARE SOUNDS DIFFERENT? WHAT IS RESONANCE? SOUND FREQUENCY SOUND WAVESDIGITAL SOUNDFIND OUT MOREOur world is full of sounds. Sound is…

Your Royal Wedding 2011 One-Stop

Details on one of the most expensive celebrity weddings in history Related Links How Prince Charles and Diana's 1981 Royal Wedding ComparesBarely…

Anatomy and
Physiology: Neurons

NeuronsAnatomy and PhysiologyThe Nervous SystemThe Great DivideSupport StaffNeuronsConnecting with SynapsesYou've Got Potential Okay, slow down. Axons? Dendrites? Cell bodies? Remember, neural…

Anatomy and
Physiology: The Heart's Own Blood

The Heart's Own BloodAnatomy and PhysiologyThe HeartAnatomy of the HeartThe Four ChambersThe Heart's Own BloodECG: Measuring a Beat Why does the heart need its own circuit if blood is already…

The 7 Wonders of the World for 2022

Source: iStock Mountains, lakes, forests, and valleys– the world is wide and has many incredible sights to offer anyone who is curious about nature. And on top of a variety of natural wonders,…

Robert Johnson

blues singer, guitaristBorn: 5/5/1911Birthplace: Hazelhurst, Mississippi Robert Johnson may well have been the most influential blues musician of all time. Although he only recorded 29 songs,…

Nellie Bly

(Elizabeth Cochrane)journalistBorn: 5/5/1864Birthplace: Cochran's Mills, Pa. Bly is best remembered for circling the globe in 72 days, thus beating the record of Around the World in Eighty Days's…