These are the formal rules for forming basic UNIX regular expressions. For some simple examples, skip to Simple Examples. The rules come from the Solaris 7 regexp(5) manual page. The I2A2 reflector ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." There's nothing quite like falling asleep to the soft glow of a lit Christmas tree. For many families, ...

If my son isn’t raised to build, he won’t stop those who seek to exploit or destroy what is commonly held. The WSJ Americas columnist talks to Free Ex editor Matthew Hennessey about the U.S.

Gerry Baker is Editor at Large of The Wall Street Journal. He writes a weekly column for the editorial page of The Journal each Tuesday on politics, economics and culture. Mr. Baker also writes a ...

Gene expression profiling is the determination of the pattern of genes expressed, at the level of transcription, under specific circumstances or in a specific cell to give a global picture of cellular ...

Orange trees are low-maintenance fruit trees and pruning is not overly complicated but is important to maintain the health ...

Expression systems are genetic constructs (a gene encoded by DNA) that are designed to produce a protein, or an RNA (ribonucleic acid), either inside or outside a cell. Expression systems are used in ...

There's nothing quite like falling asleep to the soft glow of a lit Christmas tree. For many families, the tree becomes the heart of the home in December—a gathering place for evening chats, hot cocoa ...

I’m walking in the Eifel Mountains in western Germany, through cathedral-like groves of oak and beech, and there’s a strange unmoored feeling of entering a fairy tale. The trees have become vibrantly ...

1 Human Performance Laboratory, Appalachian State University, North Carolina Research Campus, Kannapolis, North Carolina, USA 2 Department of Biology, Appalachian State University, Boone, North ...