Row over cash for women donating eggs

· Regulator set to back stem cell research payments· Opponents claim health risks outweigh benefits

Global study of 1,200 families links new genes to autism

· Amount of faulty DNA may affect severity of case· Doctors hope to diagnose and treat condition earlier

Alok Jha: Government attempts to ban hybrid embryos for stem cell research will hobble our medical future.

Scientists say even small amounts could provoke rashes and allergies.

· Study of 9,000 families points to value of seafood · Finding contradicts official advice to limit intake

· Immune reaction led to victims drowning in blood · 1918 virus recreation may help avert H5N1 pandemic

· Researchers must now put case for health benefits · Opponents protest at human-animal creation

The possibility of British scientists creating human-animal embryos for medical research moved a step closer today.