Unselfish behaviour spreads through society in a way that most benefits the "hubs" in the network.
The genetic-engineering primates could lead to better models for studying disease.
Thirteen thousand people will divulge their genetic and medical histories online.
Tales of human outliers, including an unbreakable man who inspired new treatments for osteoporosis.
A new technique could dramatically improve our ability to determine whether a pandemic is likely at the beginning of an infectious outbreak.
A small satellite launches tonight to test antifungal drugs in orbit.
Despite some resemblance to the deadly 1918 flu, the swine flu may not be so bad.
A blog about how leading-edge bio-science and technology is impacting individuals and society.
An ongoing debate among geneticists over the nature of common diseases.
People who are genetically at risk for Alzheimer's show differences in brain activity in their twenties and thirties.