4. The University of Pittsburgh team used stem cells made from skin to make MCPs, a special kind of cell that acts as a precursor to cardiovascular tissue. They then placed these cells on a 3-D scaffold designed to support a mouse heart. Within 20 days, the new heart began beating at 40 to 50 beats per minute.
5. But the change in Wall Street’s — and Silicon Valley’s — appreciation of Mr Cook is down to more than just the 70m iPhones Apple is expected to sell this quarter or the $42bn in sales generated in the previous.