What pushes scientists to lie? The disturbing but familiar story of Haruko Obokata. The spectacular fall of the Japanese scientist who claimed to have triggered stem cell abilities in regular body cells is not uncommon in the scientific community. The culprit: carelessness and hubris in the drive to make a historic discovery.
A British research team led by the world's leading heart surgeon has grown part of a human heart from stem cells for the first time.
For the first time, researchers have used adult bone marrow stem cells to regenerate healthy human liver tissue, according to a study published in the April issue of the journal Radiology.
"Molecular scientists . . . have developed a new procedure for the differentiation of human embryonic stem cells, with which they have created the first transplantable source of lung epithelial cells."