The rare and flawless Blue Moon Diamond has sold for $48.4 million to a buyer from Hong Kong, setting a world record for the sale of a gemstone at auction. The 12.03-carat “Blue Moon” diamond, set in a ring, was said to be among the largest-known fancy vivid blue diamonds and was the showpiece gem at the Sotheby’s jewelry auction. …

Sheryl Sandberg to christen their newest submarine, the USS Massachusetts. The U.S. Navy has announced that Facebook’s chief operating officer Sheryl Sandberg will be the official sponsor of its newest sub.

In October Twitter launched Moments, a tool that will help users keep track of trending stories in real time. As expected, Facebook is taking on this concept by launching a standalone app called Notify for iPhone users. Notify debuted with more than 70 “stations,” most of them media outlets serving up magazine stories or breaking news. The list of Notify …

A Georgia mother gave birth to conjoined twins Monday morning. They remain in critical condition on Wednesday. Mom Brittany Crafton, 26, is listed in good condition, Georgia Regents said in a press release.

Elizabeth Warren fights back against her “commie dictator” portrayal in new GOP debate attack ad. The ad advocating a stop to the Consumer Financial Protection Bureau is from the American Action Network, started by former Sen. Norm Coleman (R-Minn.) and former Nixon and George H.W. Bush aide Fred Malek. The think-tank side of the nonprofit is run by former Congressional …

Scientists hunting distant worlds say they have made one of their most significant discoveries to date – a kind of hot twin to our Venus. The rocky planet, called GJ 1132b, is slightly larger than the Earth and, like Venus, its surface is too hot to support liquid water. But scientists believe the planet will be invaluable in the search …

Pamela Anderson is officially free of Hepatitis C – and she celebrated it in usual breathtaking style. The Baywatch actress and animal rights activist revealed in 2002 that she had contracted the infectious liver disease, reportedly from her then husband Tommy Lee. The disease can lead to scarring of the liver and cirrhosis, and in some cases patients will go …

Toronto police say charges have been laid after a 60-year-old man was found dead in an apartment near Gerrard Street East and Woodbine Avenue last month. The accused, 50, was arrested on Tuesday, Nov. 10, and charged after the death which took place on Oct. 16.

Renowned Space archaeologist Dr. Sarah Parcak has won highly regarded TED Prize for her path breaking study on preventing archeological looting through the intelligent use of satellite imagery. She has won as much as $1 million grant from TED for impressive work. Parcak uses infrared images from satellites to identify ancient sites, and is pioneering the field of space archeology. …

A man with local ties is dead after being detained at an airport in Yemen. John Hamen graduated from Lakota in 1990. He was working as a contractor when he and another man were detained at the rebel-controlled airport 2.5 weeks ago. Hamen, a Butler County native, grew up on Eastbrook Drive in West Chester and graduated from Lakota High …

The lykoi breed of cat is often compared to the werewolf, thanks to its unique facial features. It could be seen as a threatening description, but Johnny’s lykoi kittens are clearly harmless. The word ‘Lykoi’ comes from the Greek word for ‘wolf’. Its intriguing features include a unique hair pattern that sometimes can become almost leave the feline completely bald, …