Medicine: Pig-to-human transplants could become standard practice in just a few years.
Cooling patients off could minimize the long-term damage caused by stroke or heart attack.
Lotus Discovery Server promises to plug "knowledge gaps" with advanced searching-but do you want to be found?
To find disease-causing genes, researchers want access to millions of personal medical records-maybe even yours. Is this necessary science or dubious profiteering?
In AIDS-stricken Africa, the enforcement of Western drug patents is a needless death sentence for millions.
How do you find disease-causing genes? Kari Stefansson thinks he knows the secret.
From the editor in chief