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Defective viruses, thought for decades to be essentially garbage unrelated to the transmission of normal viruses, now appear able to play an important role in the spread of disease, new...
In the autumn of 1885, people in Austin, Texas, began to feel sick. One after another, they developed a chill and then a soaring fever. They vomited and broke out in rashes. Their most...
There’s an old saying that no good deed goes unpunished. That certainly seems to be true for many breakthroughs in genetic engineering. Here are several particularly egregious examples.