Word: geneses
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The trick, she found, was that they learned how to change their diet. When Mikucki studied the organisms' DNA and energy-processing systems, she found that they were indeed descended from species that once lived in the open ocean. Underneath the ice, they were deprived of light to run photosynthesis...
"Few things are as important to your quality of life as your choices about how to spend the precious resource of your free time," writes Winifred Gallagher, author of the new book Rapt. There are things you can't control: the family you are born into or your genes, for...
Screening for breast cancer susceptibility is advancement in the same direction. The previous legal boundaries for appropriate screening (a 90-100 percent chance of the disease affecting the child) were violated in this case. As advances allow us to screen for smaller and smaller susceptibilities, firm boundaries must be drawn...
It's not often that a mere flash of insight - as opposed to a formal, controlled study - commands much space in a medical journal, and Purpura and Mehler readily concede that a good deal of empiricism will have to be applied to their theory before it can become anything more...
The next step, obviously, would be to see if these same genes appear in mammals' or even the human genome. Chances are good: the fruit-fly genome is made up of 14,000 genes, while the human genome contains 20,000. Much of the molecular machinery underlying species as varied...