O n Friday, in acknowledgement of Rare Disease Day, our daughter Ellen blogged about living with a rare disease.  She wrote eloquently abou...

Mendel In his experiments, published in 1866, Gregor Mendel crossed two strains of domestic peas.  'Crossing' means that one pare...

Direct-to-Consumer Genetic Testing Two opinion pieces appear in this week's Nature ( here and here ) on the problems facing the direct-...