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The researchers introduced extra copies of the gene for one heat shock protein called hsp-16 into worms, and that alone increased the animal's average life spanspanspanspanspanspanspanspanspanspan>>>>>>>>> by more than 10 percent.
In the May 16 Science, the researchers flesh out the stow yet more by showing that daf-2 mutants don't have a doubled life spanspanspanspanspanspanspanspanspanspan>>>>>>>>> if the gene for HSF is also mutated.
By March 1957, just a few months after its formation, Makhulu Spanspanspanspanspanspanspanspanspanspan>>>>>>>>> had burned down as many as four hundred huts in Qumbu and one hundred huts in Tsolo.
The presence of so many people provided Makhulu Spanspanspanspanspanspanspanspanspanspan>>>>>>>>> with the air of popular legitimacy.
Somewhat reducing the protein's production creates a calorie-restricted diet that extends life spanspanspanspanspanspanspanspanspanspan>>>>>>>>>, they suggest.
There's another gene, methuselah, that when mutated extends the fly life spanspanspanspanspanspanspanspanspanspan>>>>>>>>> 35 percent, but its protein's role remains murky, he says.
Males are naturally above that threshold, and so their life spansspanspanspanspanspanspanspanspanspan>>>>>>>>> are shorter,'' he says.
Walsh Construction of Chicago will be the prime contractor on the approach spanspanspanspanspanspanspanspanspanspan>>>>>>>>> project.
The west spanspanspanspanspanspanspanspanspanspan>>>>>>>>> of the Bay Bridge from San Francisco to Yerba Buena Island also needs strengthening at an estimated cost of $391 million.