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Contents contributed and discussions participated by Day Hop

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BBC NEWS | Programmes | From Our Own Correspondent | Living under a volcano - 0 views

news.bbc.co.uk/...3502040.stm
shared by Day Hop on 27 Mar 12 - No Cached
  • You would have to be nailed to the floor to be killed by lava, it moves so slowly
    • Day Hop
      Day Hop on 27 Mar 12
       
      Makes you wonder if living near one is that dangerous, is it?
  • Professor Andrew Wallace Hadrill, who is directing a special conservation project at Herculaneum led me to the port area of Herculaneum where the remains of bodies were found.
  • At about midnight, a hurricane of gas and ash whooshed down the sides of the mountain. The heat was incredible, about 500C.
    • Day Hop
      Day Hop on 27 Mar 12
       
      Since they died does this mean there could be no mutation to speak of?
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How can a mutation in the DNA occur - 1 views

wiki.answers.com/...an_a_mutation_in_the_DNA_occur
shared by Day Hop on 26 Mar 12 - No Cached
  • Mutations can be inherited. This means that if a parent has a mutation in his or her DNA, then the mutation is passed on to his or her children. 2) Mutations can be acquired. This happens when environmental agents damage DNA, or when mistakes occur when a cell copies its DNA prior to cell division.
    • Day Hop
      Day Hop on 26 Mar 12
       
      I can use this when comparing the effect of living near a volcano
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Supervolcanoes | Watch Free Documentary Online - 0 views

topdocumentaryfilms.com/supervolcanoes
shared by Day Hop on 26 Mar 12 - No Cached
  • Mitochondria DNA is passed on to a mother’s offspring and has a regular period of error introduction allowing it to be dated.
    • Day Hop
      Day Hop on 26 Mar 12
       
      This shows the passing of dna. Could it lead to a possible mutation?
  • The Toba eruption 74,000 years ago is now thought to have dramatically reduced the human population on Earth at that time to just a few thousand individuals resulting in the limited genetic markers now found in the mitochondria DNA.
    • Day Hop
      Day Hop on 26 Mar 12
       
      This shows the effect volcanoes have on the population.
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