(Encyclopedia) ShangShangshäng [key] or Yin, dynasty of China, which ruled, according to traditional dates, from c.1766 b.c. to c.1122 b.c. or, according to some modern scholars, from c.1523 b.c. to…
(Encyclopedia) pigment, substance that imparts color to other materials. In paint, the pigment is a powdered substance which, when mixed in the liquid vehicle, imparts color to a painted surface. The…
Spotlight on Bats Mysterious Mammals on the Fly Source: U.S. Fish and Wildlife Service Bats may be the most misunderstood animals in the United States. Almost all U.S. bats…
Tyrannosaurus Sue The prehistoric giant stands again by Holly Hartman After 65 million years, Sue is back on her feet. SUE IS A SENSATION. It's not just that she's 42…
Why we sneeze, snore, yawn, burp, bruise, and other fascinating medical questions Why do we sneeze? What happens when my foot falls asleep? Why does my nose run? Why do we…
Human Disorders and Gene TherapyGenetic EngineeringIntroductionFundamentals of Genetic EngineeringCurrent Recombinant Cloning TechnologyDNA Technology ApplicationsHuman Disorders and Gene…
Trapped in a quagmireFamily feastingTactics of modern huntersJust as modern meat-eating animals such as lions combine forces to pull down animals larger than themselves, many flesh-eating theropods…
WHAT MAKES A GOOD DESIGN? WHY DO DESIGNS CHANGE? HOW OLD IS FASHION DESIGN? HOW IS A PRODUCT DESIGNED? FIND OUT MOREDesign is the way something is planned, arranged, and made. A designer aims to…
WHAT ARE MATERIALS’ PROPERTIES? HOW STRONG IS A SPIDERWEB? HOW ARE MATERIALS USED? SYNTHETICSFIND OUT MOREAny substance that is used to make something is a material. Natural materials such as stone…
IntroductionMalariaIntroductionA Nasty ParasiteFever and Ague: Malaria's SymptomsA Frustrating, Yet Curable, DiseasePrevention and Cure Malaria is one of the most successful parasites ever known to…