Synthetic virus nearing reality
Scientists will have the technology to create an artificial virus within the next five years, a conference in the US is told.

Perfect pitch may help babies speak
US researchers say everyone may be born with perfect pitch to help them learn the skills of language.

'Hungry' stars reveal planet presence
A statistical analysis of nearby stars suggests most probably have Earth-type planets in orbit around them.

Code crackers to settle differences
The private and public scientists who sequenced the human genetic code are to hold a conference to plan a co-operative future.