Why Scientists Kept the Birth of Dolly, the World’s First Cloned Mammal, a Secret for Seven Months
The scientific breakthrough, announced on this day in 1997, proved that geneticists could clone an adult mammal, giving rise ...
H5N1, a highly pathogenic strain of avian influenza known as bird flu, continues to wreak havoc on the nation’s egg farms. In just the last month, more than 21.2 million egg-laying hens — about 7 ...
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