03 OCT 2013 by ideonexus

 Specialization is the Way to Extinction

Now let us examine more closely what we know scientifically about extinction. At the annual Congress of the American Association for the Advancement of Science, as held approximately ten years ago in Philadelphia, two papers were presented in widely-separated parts of the Congress. One was presented in anthropology and the other in biology, and though the two author-scientists knew nothing of each other's efforts they were closely related. The one in anthropology examined the case histories o...
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Specialization comes at the cost of general adaptability. So when the environment changes, the highly-specialized go extinct.

28 JAN 2012 by ideonexus

 Deserts Follow Where Man Goes

Very old and wide-spread is the opinion that forests have an important impact on rainfall. ... If forests enhance the amount and frequency of precipitation simply by being there, deforestation as part of agricultural expansion everywhere, must necessarily result in less rainfall and more frequent droughts. This view is most poignantly expressed by the saying: Man walks the earth and desert follows his steps! ... It is not surprising that under such circumstances the issue of a link between fo...
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Eduard Brückner recognizes the importance of forests in maintaining a healthy climate in the late 1800s.

31 JUL 2011 by ideonexus

 An Hour of TV a Day Equals a 10 Percent Increase in Atten...

Another example comes from a study that looked at bullying. For each hour of TV watched daily by children under age 4, the risk increased 9 percent that they would engage in bullying behavior by the time they started school. This is poor emotional regulation at work. Even taking into account chicken-or-egg uncertainties, the American Association of Pediatrics estimates that 10 percent to 20 percent of real-life violence can be attributed to exposure to media violence.   TV also poisons at...
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Even second-hand television, just having it on the the room, causes problems; therefore, the APA recommends no Television for children for two years.