LONDON - THE surviving pages of the world's oldest Christian Bible have been reunited - digitally.

The early work known as the Codex Sinaiticus has been housed in four separate locations across the world for more than 150 years.

WASHINGTON - THE US government released new rules on Monday governing federally funded research on human embryonic stem cells, loosening some ethical requirements that scientists said could have cost them a decade of work.

The rules, which take effect on Tuesday, keep many existing restrictions on the research. US federal funds may still not be used to actually make the cells using human embryos - only to work with the cells after someone else has made them.

CHICAGO - SLEEPLESS people sometimes use the Internet to get through the night. Now a small study shows promising results for insomniacs with nine weeks of Internet-based therapy.

No human therapist is involved. The Internet software gives advice, even specific bedtimes, based on users' sleep diaries.