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The two solutions provided differ slightly in their approach in this regard.Fallout from nuclear bomb tests during the cold war has just yielded encouraging news for those searching for ways to reverse heart disease.The task requires the student to use logarithms to solve an exponential equation in the realistic context of carbon dating, important in archaeology and geology, among other places.
"It's so small it might be clinically trivial." Murry agrees that the first step will be to find the source of the new cardiomyocytes.
: is the initial quantity of the element λ: is the radioactive decay constant t: is time N(t): is the quantity of the element remaining after time t.
A 25-year-old heart replaces about 1% of all cardiomyocytes over a year; a 75-year-old about half that.
Even that speed might be enough to be useful for people with heart disease who need new cardiomyocytes, says Charles Murry, who studies cardiovascular medicine at the University of Washington in Seattle.
The last figure I heard was that there are currently eight nuclear subs on our ocean floors. It doesn't work for sea creatures and other things that are under water. Then they measure how much is left in the specimen when they find it.