Tree-top browserBalancing actLow browserVegetarian mouthsCretaceous food chainThroughout the dinosaur era, communities of dinosaurs were made up of plant-eaters (herbivores) and meat-eaters (…
METAL GROUPSGOLD IN QUARTZEXTRACTING GOLDMETALLIC PROPERTIESALLOYSFIND OUT MOREAlmost three-quarters of all elements are metals, such as gold and silver. There are also some elements we may not…
ON THE ALERTTOUCH-SENSITIVE FEELERSVISIONHEARINGSMELLFIND OUT MORETo find food, mate, avoid danger, and communicate, animals rely on information gathered by their senses. Information is…
WHERE DID THE FIRST MODERN HUMANS LIVE? WHO WERE NEANDERTHALS AND WHY DID THEY DISAPPEAR? HOW DID MODERN HUMANS REACH OTHER AREAS? FLINT-KNAPPINGABORIGINALSFIND OUT MORE Homo sapiens sapiens…
Notable Irish Writers A-F | G-O | S-Y To be an artist is to fail, as no other dare fail, that failure is his world and the shrink from desertion, art and craft, good…
(Encyclopedia) endocytosisendocytosisĕnˌdōsītōˈsəs [key], in biology, process by which substances are taken into the cell. When the cell membrane comes into contact with a suitable food, a portion of…
(Encyclopedia) magic, in religion and superstition, the practice of manipulating and controlling the course of nature by preternatural means. Magic is based upon the belief that the universe is…
(Encyclopedia) strontiumstrontiumstrŏnˈshēəm [key] [from Strontian, a Scottish town], a metallic chemical element; symbol Sr; at. no. 38; at. wt. 87.62; m.p. 769℃; b.p. 1,384℃; sp. gr. 2.6 at 20℃;…
(Encyclopedia) surgery, branch of medicine concerned with the diagnosis and treatment of injuries and the excision and repair of pathological conditions by means of operative procedures (see also…
