The flat marine organism Trichoplax adhaerens barely qualifies as an animal, yet the 98 million DNA base pairs of its genome include many of the genes responsible for guiding the development of other animals' complex shapes and organs, researchers report this week.
China is embarking on a major new effort to protect the Mogao Grottoes, a unique repository of murals and sculptures on the old Silk Road.
A flood of strange new substances based on ultrasmall particles is forcing researchers to reinvent toxicology.
Facing growing public skepticism, impatient politicians, and a blogosphere rife with conspiracy theories, the Federal Bureau of Investigation (FBI) on Monday sought to bolster its case that Army scientist Bruce Ivins was the perpetrator of the 2001 anthrax attacks by extensively discussing the scientific evidence.
The founder of medical genetics was a driving force behind current progress in applying genetic information to medicine.
Scientists say a key document unveiled last week now enables a reconstruction of the trail that led the FBI from the deadly anthrax letters back to Bruce Ivins's lab at the U.S. Army Medical Research Institute of Infectious Diseases.
Some federally funded scientists are having second thoughts about working with the 21 human embryonic stem cell lines available to them under President George W. Bush's policy, following a report indicating that the cells are getting increasingly stale--not only scientifically but ethically as well.