The United States, Russia, Ukraine and the European Union have called for an immediate halt to violence in Ukraine after talks in Geneva. But as Sonia Legg reports the prospect of further sanctions is being clouded by divisions within Europe and big companies.
Micro-organs to shape the future of personalised medicine
Researchers at Vanderbilt University are developing an artificial liver as part of a larger system of synthetic organs being built to test drugs. If successful, the technology will not only change the way drugs are developed and tested, but also provide doctors with a way to personalise treatment for patients with diseases ranging from heart disease to cancer. Ben Gruber has more
Check out how the Harvard baseball team killed some time during a recent road trip. They put on a pretty entertaining performance for the camera with Carly Rae Jepsen's hit pop song 'Call Me Maybe' playing.