The 2006 Nobel prizes in the sciences were announced early this week. U.S. scientists swept the field.
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2006/10/6184.jpg?resize=150%2C101&ssl=1)
Physiology or Medicine
Eight years after revealing a mechanism that cells use to regulate protein production, a pair of U.S. scientists received the Nobel Prize in Physiology or Medicine.