Eugene Russo | Oct 25, 1998 | 8 min read
Mice everywhere are breathing a collective sigh of relief. Soon, far fewer small laboratory animals will be routinely sacrificed to allow researchers to observe the after-effects of gene mutations or other experimental manipulations. Instead, investigators will be able to track the implications of those changes in living specimens in exquisite detail and for extended periods of time, thus painting a fuller, more accurate picture of what's going on and why. At least, that's the likely scenario i