HealthDo you care what happens to a baby's blood sample? Pinpricks of blood taken from newborns are a gold mine for medical research – but now some US parents are raising privacy worries ¿ìè¶ÌÊÓÆµ
LifeThe deep roots of genetic disorders uncovered A study of gene evolution looking back half a billion years could help uncover the genetic basis of many disorders, including Down's syndrome ¿ìè¶ÌÊÓÆµ