Plants have been bent to human purpose for millennia—for crops, clothing, shelter, and now, to enliven the developed landscape in ways the backyard gardener never imagined.
Furthermore, these 3-d models have also unveiled new ways that pathogens cause disease and have expanded the range of pathogens that can be studied in vitro.
After losing her daughter, 28, and son-in-law in a gas poisoning accident last year, the age-defying woman decided to get pregnant again, via artificial insemination.
Similarly, a plant or animal cannot squander all its energy on growing a big body if none would be left over for reproduction, for this is the surest way to extinction.
This led them to believe that the cells in the early embryo are undetermined in the sense that each cell has the potential to develop in a variety of different ways.
WASHINGTON - Fast food, a mainstay of American eating for decades, may have reached a plateau in the United States as the maturing baby-boom generation looks for a more varied menu.