Acquiring and hoarding various types of objects is a behavior in which many humans are engaged. In fact, almost every person on the planet collects something, from pins and stamps, to yachts and rare artifacts. But there are those who collect and hoard them compulsively. These individuals, whom mental-health experts ... |
25 September 2009
03:40 GMT |
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Particular DNA segments can be found in various amounts from one person to another, even if they are in the same line, as in family. These variations play an important part in our evolution. They can hold the key to boosts of the immune system and to developing resistance to certain diseases, but can also make it a l... |
31 August 2009
04:44 GMT |
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Each time a new child is born, they carry some of the genetic material from their mother and father, in equal proportions. In addition to this legacy, they also carry between 100 and 200 genetic mutations, which their parents do not have. Some of these mutations are caused by environmental factors, and represent ada... |
28 August 2009
08:48 GMT |
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Sexual reproduction may be a lot of fun, but it's far from being perfect when it comes to combining the genetic material of the parents, sometimes leading to incurable genetic diseases. However, genetically engineered children could literally be born perfect in a couple of years in the UK, by replacing defective... |
5 June 2008
06:35 GMT |
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