Paterna Biosciences says it has determined the set of instructions needed to turn sperm-making stem cells into "normal, ...

ARTIFICIAL insemination of animals has been applied for some years in a number of countries. Advantages claimed for the practice are the lessening of the risk of spread of disease in livestock, ...

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Although most people assume a few cases of bottled water are enough when disaster strikes, that's not always true. For example, anyone who relies on a CPAP machine knows that basic supplies won't cut ...