HealthMiniature placentas grown in lab give positive pregnancy test result Researchers hope that tiny placentas grown from human cells can help research into why pregnancies sometimes lead to stillbirths or small babies 51¶¯Âþ
HealthBacteria can be used to turn type A blood into universal type O A new family of enzymes found in the human gut has been used to quickly turn type A blood into type O - which can be used for transfusions in anyone 51¶¯Âþ