Mutant genes 'key to long life'

'Lifeless' prions can 'evolve'
Scientists show for the first time that 'lifeless' prion proteins, devoid of DNA and RNA, can evolve like higher forms of life.

Sex intervention combats malaria
Scientists believe it may be possible to combat malaria by interfering with the sex lives of the mosquitoes which spread the disease.

CJD victim 'had different gene'
Scientists say a 30-year-old British man thought to have died from vCJD had a different genotype from previous cases.

Autism limit on 'self-awareness'
Scientists have produced hard evidence that self-awareness is a big problem for people with autism.

Body clock link to heart disease
Scientists have raised the possibility that cardiovascular disease may be linked to disturbances in the body's 24-hour clock.