Margaret Hamburg, Stephen Ostroff 

After serving as US Food and Drug Administration Commissioner for nearly six years, Margaret Hamburg is stepping step down from the post at the end of March. 

Stephen Ostroff will serve as acting commissioner afterHamburg's departure. Ostroff most recently served as the agency's chief scientist. 

Get the full story

This story is free
for registered users

Registering provides access to this and other free content.

Register now.

Already have an account?
Login Now.

The Jackson Laboratory has filed a complaint accusing Nanjing University of breeding and re-selling its mouse models, the Hartford Courant reports.

Oxford researchers are turning to virtual reality to visualize genes and regulatory elements, Phys.org says.

In Science this week: neutrophils rely on microRNA to protect against lung inflammation, and more.

China is moving forward with plans to sequence a million citizens, the Wall Street Journal reports.