Philippe Matthews Show Guru Advice, Author Reviews, Tech Reviews, Entertainment News

Editor's Note: The following is an excerpt from Mara Hvistendahl's book , Unnatural Selection: Choosing Boys over Girls and the Consequences of a World Full of Men. The technology that ultimately became the dominant method of sex selection around the world began as a tool for navigation. The story of ultrasound dates to 1794, when an Italian biologist curious about how bats find their way in the dark discovered sonar, or the fact that distance can be determined by bouncing sound waves off a faraway object and measuring how long it takes for the waves to ricochet back

Neurologist Dr. Carolyn Brockington spoke with Russ Mitchell on the dangers involved with concussions and how athletes can look for life threatening symptoms caused by head injuries

Cyber attacks may not be a new phenomenon but the recent successes scored against high-profile targets including CitiGroup , Google , RSA and government contractors such as Lockheed Martin underscore the targets' current failure to block security threats enabled by the Internet. Malicious hackers use the very same technology that enables online banking, entertainment and myriad other communication services to attack these very applications, steal user data, and then cover their own tracks. [More]

Five years ago, Zack Lystedt suffered a concussion that almost killed him but recovered in time to walk at his own graduation paving the way for future concussion patients along the way. John Blackstone reports.

NBCSports.com contributor Rob Bolton analyzes the top contenders, those in the running, and the long shots for the U.S. Open at Congressional Country Club.

%excerpt% Continued here: PGT: Karlsson forges 3-shot lead in Memphis

%excerpt% See the article here: GolfChannel: Predictions for U.S. Open

GolfChannel: With a little math and a little hindsight, Jason Sobel says this year's U.S. Open champion will look a heck of lot like Edoardo Molinari.

Robert Karlsson shot a 5-under 65 on Friday and take a three-stroke lead after the second round of the St.

PGT: The U.S. Open is using the top of the world ranking for one of its star groups next week at Congressional. Luke Donald, Lee Westwood and Martin Kaymer will play together the first two rounds

Thursday-Friday

Anthony Weiner, the once cheered, now shamed New York congressman, made at least two mistakes in the past two weeks. First, he lied, and then he cried. "I have exchanged messages and photos of an explicit nature with about six women over the last three years," he admitted, after denying three days earlier that he publicly posted an R-rated picture of himself via Twitter

Biofuel-powered aircraft have finally been approved, and could cut airlines' fuel costs in half. When's the maiden flight? Biofuel-powered aircraft have finally moved into the real world now that the U.S.-based Air Transport Association has approved a fuel blend of up to 50% organic waste and non-food material (i.e

The maker of Angry Birds has been a master of spin-offs and marketing related products.

A Gallup poll released Friday found that 55.9 percent of Americans reported eating five or more serving of fruits or vegetables at least four days in a week in May of this year. That number was 57.8 percent in May 2010.