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Proteins that stimulate and repress appetite appear to be cut from the same cloth.

Worms learn: If something makes you sick, don't eat it again.

data that's essential for mathematical modeling of biological pathways.

Adult nematode worms contain 959 somatic cells, and thanks to Nobel laureate John Sulston and colleagues, scientists know the lineage of every one of them.

are a hot topic these days.

Chromatin immunoprecipitation (ChIP), or location analysis, is an antibody-based method for identifying the segments of DNA recognized by a particular transcription factor in a native chromatin environment.

G-matrix Fourier transform (GFT) NMR, a technique developed several years ago for rapid collection of nuclear magnetic resonance data, has been used to determine the structures of eight proteins in less than a month.1 "People usually work for many months for one structure. And even a year is not unusual," says coauthor Thomas Szyperski of the University of Buffalo. [see related story, page 36]The work demonstrates for the first time that GFT NMR works on a "real world" scale, meaning a protein c

It's just past midnight and a Vienna rave is at full-throttle, packed with sweaty dancers pulsing to an electronic beat.

Sixteen months after animal activists shut down construction, work begins again under tightened security

Scientists raise concerns about the new law's potential effects on research

They argue policy allowing transgenic wheat could wipe out natural varieties in the place where wheat was born

South Korean cloning pioneer says junior lab staff donated ova for research