In fertility treatment, scientists are working on making sperm and eggs from skin cells in a process known as haploidisation. If successful, it could bring hope to the one in six infertile couples who are unable to produce their own genetic offspring.

The new drug for breast cancer, Herceptin, is a harbinger of drug developments to come. It is one of a new class of cancer drugs that some experts claim will transform cancer from a killer disease to a chronic condition like diabetes.

This new class of "designer" cancer drugs, built from research on cancer at the molecular level and designed to have a specific action, will mean better targeted treatments suitable for specific groups of patients.

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