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DK Nature: Arachnids

HOW DO SPIDERS SPIN SILK? HOW DO SCORPIONS KILL THEIR PREY? ARACHNID CLASSIFICATIONFIND OUT MOREA large group of eight-legged arthropods, arachnids include spiders, scorpions, ticks, and mites.…

Geometry: Max Geometry

Max GeometryGeometryWhose Geometry Is It Anyway?Non-Euclidean GeometryHyperbolic Geometry: Saddle Up!Spherical GeometryTaxi-Cab GeometryMax GeometryHow Many Shapes Can a Circle Have? With the…

Theories of the Universe: It's Out of Control

It's Out of ControlTheories of the UniverseScientific Origins of the UniverseBang That DrumA Big Bang AlternativeThe Accelerating UniversePlasma CosmologyThe Standard ModelThe Alpha and the OmegaIt's…

Dracula and Other Vampire Beliefs

Dracula and Other Vampire Beliefs Belief in vampires and the power of blood is as old as mankind by David Johnson Belief in vampires and the power of blood is as old as mankind. Early…

Easter Around the World

Easter Around the World From witches to detectives, Easter traditions vary by David Johnson Norway's Criminal Habit Uncovered In Norway, reading detective novels and crime…

Science Projects Take a Quantum Leap

Science Projects Take a Quantum Leap If you think it's all about dissecting frogs, you'd better read this by Borgna Brunner RELATED LINKS What Makes A Good Science Project?…

cockroach

(Encyclopedia) cockroach or roach, name applied to some 4,600 species of flat-bodied, oval insects in the order Blattodea. Cockroaches have long antennae, long legs adapted to running, and a flat…