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Radioactive decay

radioactive decay

(Science: physics) The process by which a spontaneous change in nuclear state takes place. This process is accompanied by the emission of energy in various specific combinations of electromagnetic and corpuscular radiation and neutrinos. The spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation.


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Re: Molecular gene (genome) concept scientifically untenable

... a chemist, you surely know about the kinetic isotope effect. Nuclear decay will change the properties of a molecule, without changing chemical ... protons and 16 neutrons is the stable phosphorus nuclide, which is not radioactive. When the neutron number increases to 17 it becomes P-32 and ...

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by PAWahid
Sat May 12, 2012 2:29 am
 
Forum: Molecular Biology
Topic: Molecular gene (genome) concept scientifically untenable
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Views: 28005

How radioactive iodine causes cancer

... please explain it. Thank you in advance! The nuclear accident releases radioactive iodine-131 into the atmosphere, which spreads through wind and ... with amino acids to form thyroxin. Iodine -131 taken into the body will decay in the body rather than being excreted, since it has a short half-life. ...

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by Anna55
Sat Oct 15, 2011 3:52 pm
 
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Topic: How radioactive iodine causes cancer
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Views: 1969

Re:

... http://dealingwithcreationisminastronomy.blogspot.com/2008/09/radioactive-decay-rates-depend-on-earth.html So it appears, that there might not be much in fact here. ...

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by Zenithar66
Fri Apr 08, 2011 1:18 am
 
Forum: Evolution
Topic: 5 best proofs of evolution
Replies: 170
Views: 242492

5 best proofs of evolution

... http://dealingwithcreationisminastronomy.blogspot.com/2008/09/radioactive-decay-rates-depend-on-earth.html So it appears, that there might not be much in fact here.

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by canalon
Thu Apr 07, 2011 8:58 pm
 
Forum: Evolution
Topic: 5 best proofs of evolution
Replies: 170
Views: 242492

Re:

... not) are those variations? We are talking about people who measure the decay of individual atoms within billions with enormous precision, and I ... Simply because the confidence interval of most datation based on radioactive decay is already quite large due to other variable factor (including ...

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by Zenithar66
Thu Apr 07, 2011 1:11 am
 
Forum: Evolution
Topic: 5 best proofs of evolution
Replies: 170
Views: 242492
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