Report urges multiple containment systems for engineered animals and plants

The more, the merrier, researchers declare. Is the sky the limit?

 A COMPOUND SCREEN:Screening strategy used to (A) identify mechanistically distinct antiprogestins and (B) to identify estrogen receptor (ER)-sparing antiprogestins.Click for larger version of diagram (33K) Progestins, synthetic progesterone analogs, joined estrogen as part of hormone replacement therapy (HRT) some two decades ago, to reduce perceived risks of endometrial cancer from estrogen alone. But for almost as long, researchers have suspected that progestins block some benign effec

A privately funded trial seeks to challenge conclusions of the government study that gave HRT a bad rap

Half-million dollar prizes awarded for creativity in a wide range of disciplines

Splicing investigators see medical applications and a possible new role in gene expression

Criticizing recent negative studies of replacement therapy, some scientists are holding out for more data

Scientific skepticism and ethical criticism of chimera research presented in Spain

Although the human genome is done, the genome institute still has plenty to do.

variation between individuals is next challenge.

Technique used to craft new H5N1 vaccine could speed development for all new strains.

Contemplating 'weirdness' in the search for signs of company in the universe.