Every fall, tourists, and those lucky enough to live in northern temperate climates, look forward to the brilliant color show promised before the deciduous trees (those that drop their leaves annually) close shop for winter. Deciduous leaves change color due…
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February 8, 2014 Medical Science
Eyes are organs which detect light and send signals to the brain, where the signals can than be interpreted. The parts of the human eye include: the lens, the retina, the cornea, the pupil, the iris, the macula, the sclera,…
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Unlike herbaceous plants, deciduous trees stand tall all winter, minus some important accessories-leaves. What trigger causes leaves to fall in the autumn? To understand why leaves fall off, it helps to first understand what the job of a leaf actually…
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February 7, 2014 Earth Science
The hottest and coldest National Parks in the U.S. extend from the ice-covered tundra of the Arctic to the sweltering heat and dry terrain of the Arizona deserts. The abundance of wildlife and awe-inspiring terrain of these parks is something…
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Late in the 15th century, Leonardo da Vinci made the first suggestion that an under water “ship” was possible. His idea is only represented in his drawings and no models were tested. Since that first idea surfaced submarines kept reappearing…
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Buddleia – The Butterfly Bush is Always Buzzing For late summer color and fragrance, and a beautiful feeding station for butterflies, nothing beats the Butterfly Bush. Even smaller gardens can now enjoy this easy to care for plant, as dwarf…
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February 7, 2014 Social Science
The social science of anthropology is conventionally divided into four major sub-fields, each of which has different theoretical frameworks and methodologies from the others: social anthropology and cultural anthropology; archaeology; biological anthropology and physical anthropology; and linguistic anthropology. Overall, anthropology…
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February 7, 2014 Earth Science
Mangrove swamps and sea grasses are both vitally important and critical to the formation and survival of coral reef system. Without the Mangroves and sea grasses, the reefs could not form and many of the creatures found around them would…
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February 7, 2014 Medical Science
During the past 100 years, Mankind has achieved many of its age-old dreams: conquering dreadful diseases, achieving spaceflight and escaping the stubborn grasp of Earth, walking on the Moon, diving to the very deepest depths of the world’s mighty oceans……
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When looking at beautiful blossom, few realize that a flower is just a big, showy advertisement used to help plants have sex. No kidding! Fancy flowers are very energetically expensive for a plant to produce, and their sole purpose is…
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