Two Americans and a German have won this year's Nobel prize for medicine for their work on how hormones and enzymes are transported within and outside cells.
The work of James Rothman, Randy Schekman and Thomas Suedhof gives insight into diseases such as diabetes and Alzheimer's, according to the BBC.
The trio mapped out one of the body's critical networks that uses tiny bubbles, known as vesicles, to ferry chemicals such as insulin within cells.
