A second test of water from the US Great Lakes has indicated the presence of Asian carp DNA, the Associated Press reports. A 2010 sample also came up positive.

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 World Health Organization calls for the public release of clinical trial results within a year of the completion of data collection.

In Science this week: measles virus nucleocapsid structure, and more.

African and US health officials work to establish an Africa-wide Centres for Disease Control and Prevention.

Nature has retracted a 2002 epigenetics paper for image manipulation.