'Attosecond' science breakthrough

Scientists from Queen's University Belfast have been involved in a groundbreaking discovery in the area of experimental physics that has implications for understanding how radiotherapy kills cancer cells, among other things.

Ebola puts focus on drugs made in tobacco plants

It's an eye-catching angle in the story of an experimental treatment for Ebola: The drug comes from tobacco plants that were turned into living pharmaceutical factories.

Europe's first human embryonic stem cell trial approved

A US biotech company said Thursday it will soon begin the first-ever European trials using human embryonic stem cells in an experimental treatment for people with a form of juvenile blindness.