This Month

An open-access tool tells researchers whether a human cell line is pluripotent.

A new genetic construct enhances enhancer traps.

Practical microsystems are used to monitor flies and worms.

Fluorescent proteins can be located in electron micrographs.

Blue light pulls proteins together.

Gene cutting and pasting just got a whole lot faster.

Yeast two-hybrid screens plus RNA interference assays are used to identify functionally relevant interactions.

Pairing selection with sequencing, one can probe how proteins function.

Linked fluorescent proteins are used to visualize voltage in living mouse brains.

Fly brains light the way for neurobehavioral circuits.