Using an imaging modality called optical coherence tomography, which gives the ability to peer through layers of tissue, the researchers kept an eye on the developing
hearts at a particular stage when the primitive heart switches from a tube shape to a loop - shaped circuit.
What convinced the top executives of these
particular companies to stand up on
stage with Notley, as they did last November, and publicly disclose their support for a plan that takes aim
at the
heart of their business — of their very existence?