Consumer's Guide to a Brave New World

Cloning researchers claim to have created an embryo that is mostly human, but also part animal. Biotech companies brag about manufacturing human embryos as “products” for use in medical treatments. Echoing long discredited master—race thinking, James Watson, who won a Nobel Prize for codiscovering the DNA double helix, claims that genetically enhanced people will someday “dominate the world.” Events are moving so fast—and biotechnology seems so complicated—that many of us worry we can’t hav...