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Posts Tagged ‘Ecosystems’

Science Fact of the Month – March 2010

Friday, March 26, 2010 @ 08:03 PM
Abbas Karimjee[ Administrator/ Owner]

 

Did you  know that nitrites  in drinking water can permenantly damage or even kill infants? Read  our full overview further below.

High levels of nitrates in drinking water pose  a threat especially for young human infants  because humans and other animals usually have a  bacteria that converts nitrates into nitrites  within the large intestines.While adults are protected from  the harmful effects of these bacteria[since the  digestive system of human adults is highly acidic], the stomach of an infant being  very low in acidity , lets the bacteria move up in the stomach where nitrates are subsequently converted into nitrites.This is a serious issue as nitrites pose a serious threats to  creatures which contain hemogobin[ such as humans] in their blood as nitrites can  attach themselves to the  hemogobin  in  the blood of infants .As a result of this attachment, the infant’s body is unable to receive a proper  supply of oxygen to its  tissues.Significant permenant damage can result.

   Remember, that we welcome your Science Fact of the Month. Feel free to send it to us   at blogmanagement@ymail.com All submissions should include a fact with atleast a couple of sentences which provide supporting   details on the fact. Including a reference is  encouraged.

Science Fact of the Month November 2009

Saturday, November 28, 2009 @ 06:11 PM
Abbas Karimjee[ Administrator/ Owner]

Did you know that the addition of nutrients to an ecosystem can be   quite deadly?

An excess of  nutrients  in fertlizer rerun off from farms can cause  a  signifcant growth of algae  causing an algal bloom.Eventually these algae will die and decomposing bacteria, will, in turn   break down the algae .Unfortunately,  the decomposing bacteria requires  a lot of oxygen to do this.Since they are depleting the levels of oxygen , fish  and other aquatic `creatures  begin to die .Not only can severe ecological damage occur, but also   the decline in fisheries can cause   a negative effect on the economy.

See you next month for more Science.