Human origins centre pulls up roots in move to Arizona.

Meta-analysis of the long-term effect of nifedipine for pulmonary hypertension.

California agency charged with delaying toxin reports.

Abbott sues Chiron over 'secrets' in heads of recruits.

Mellow mood fosters marijuana research.

Investment analysts paint rosy prospect for biotech.

Defining the challenges of providing long-term care: the case of the nursing home industry's response to the AIDS epidemic.

US drops patent claim to Hagahai cell line.

As concern grows over screening.

Universities approve hospital merger.

Acceptance of marijuana therapy prompts call for more research.

California drops plan to destroy records.

California backs off destruction of records.

Foundations funding biomedical bodies 'should shift focus'.

Genome ethics panel comes under the microscope at NIH.