Science minister wants focus on fewer disciplines
Plan would concentrate UK funds on research of benefit to the economy.
Stem cells ready for prime time
US regulatory agency gives the go-ahead for first clinical trials of a human embryonic stem-cell treatment.
Pfizer to buy Wyeth in $68-billion deal
Drug giant chases stake in biologics.
Conservationists complete the largest-ever eradication of an island-invasive mammal.