Trans-species transplants raise virus fears.

Promega, Roche clash over use of Taq in labs.

Coalition plans challenge to genetic patenting in the US.

Chiron expands gene therapy efforts.

Medical centre cuts staff in preparation for 'managed care'.

University blocks efforts to reveal researchers' identity.

US stalls over tests of marijuana to treat AIDS patients.

Falling stock prices put the squeeze on biotech start-ups.

Ballot urged on ageing centre plans.

Lack of significant bronchial reactivity to inhaled normal saline in subjects with a positive methacholine challenge test.

. . . as tighter research links urged.

Darwin deal marks growth of link-ups for gene companies.

California law will prohibit genetic discrimination.

Pearson resigns as head of Darwin Corp.

Wyden widens net of probe into drug marketing.