BUBBLE BREAKTHROUGH In the first clear win for gene therapy, French doctors report that they have successfully treated four boys with "bubble boy" disease, the immune-system disorder so devastating that its victims spend their lives confined in germ-free isolation. It was 2 1/2 years ago that doctors first repaired the genetic mutation that kept the children from producing healthy infection-fighting cells, and today the kids are still thriving. It was a dramatic coup for a therapy that has had more than its share of failures.
FREAKY FROGS All is not well among the lily pads. For years,...