Roanoke Times
Sheep bred to be pathogen-free protect farmers from disease and could be a source of customized human organ replacements
[Specific pathogen-free, or] SPF sheep sell for roughly $3,400 per head, compared to the $200 or so a sheep would ...
A word of caution before the rush for genetic testing
The following is an edited excerpt. In striking down patents on human genes, the recent Supreme Court decision is widely ...