Biology and Nature
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Global Warming & Its Double-sided Forecast
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Contrary to popular belief – the effects of moderate global warming may not be all bad. For the first time ever, a four year U.S. national assessment has examined the regional impacts of global warming revealing everything from potentially severe droughts to larger crop yields for some farmers.
The report, Climate Changes [...]
Velociraptor: tough peacock, dubious genius
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You remember Velociraptor: it’s the smallish, but deadly meat-eater featured prominently in Jurassic Park and its two sequels. In the movies, this predator is portrayed as fierce, and cunning — a dinosaur as smart as a dolphin or chimpanzee. But according a prominent paleontologist, you really can’t believe everything you see on [...]
Cell Theory
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CONCEPT
This module investigates cell structure, function, processes and divisions. The microscope is introduced and used for investigation. Appropriate technology will be used to collect and analyze data.
Genetics topics in a Brief
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Genetics topics in a Brief
The first panoramic views of the human genetic landscape have revealed a wealth of information and some early surprises. Much remains to be deciphered in this vast trove of information; as the consortium of HGP scientists concluded in their seminal paper, “. . .the more we learn [...]
Initial stage (1990-2003) of Human Genome Project
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A Brief Overview
Though surprising to many, the Human Genome Project (HGP) traces its roots to an initiative in the U.S. Department of Energy (DOE). Since 1947, DOE and its predecessor agencies have been charged by Congress with developing new energy resources and technologies and pursuing a deeper understanding of potential health and environmental risks posed [...]
Inroduction To Genomics
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Cells are the fundamental working units of every living system. All the instructions needed to direct their activities are contained within the chemical DNA (deoxyribonucleic acid).
DNA from all organisms is made up of the same chemical and physical components. The DNA sequence is the particular side-by-side arrangement of bases along the [...]
Necessity Of Understanding Human Genome
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Not long from now, doctors may be able to predict with pinpoint accuracy what risk you’re at for disease, repair most of the disease’s damage at the molecular level and treat the rest of the damage with side-effect-free drugs designed just for your body. A few years ago, scientists would have [...]
Midnight Zoo: Night Safari At Singapore
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It can be an annoying experience going to a zoo and waiting for minutes on end to see an animal that you’re told is just hiding. But maybe it’s hiding for a reason. It hasn’t got anything to do with shyness either. It’s a simple fact that a [...]
Sperm Selection Procedure For Fertilization
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It is evident that, a physiological mechanism allows the targeting and elimination of a sub-population of abnormal sperm- among mice, during fertilization.This mechanism, established by the sperm themselves, increases the chances of fertilization and reduces the risk of fertilization with a sperm defect. These results were published April 26, 2010 in the Journal of Clinical [...]
Listening to Fish Ears
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Ask most biologists and you’ll hear that salmon, trout, and many fish species make one round trip between fresh water and the ocean over their lifetime. But by looking in, of all places, their ear bones, scientists have learned that the European brown trout doesn’t stick to such a simple itinerary: The fish seem to [...]
