Metaphors make for colorful sayings, but can be confusing when taken literally.

With great fanfare a South Korean team announced last week that it had used therapeutic cloning to create human embryonic stem cells that were genetically matched to specific people. But their technique could already be obsolete.

The tantalising prospect of DVDs capable of holding almost a terabyte of data – or several hundred movies – has been presented in a patent issued to US storage company Iomega.

International travelers should get used to having their fingerprints taken or their irises scanned because traditional airport security tests are outdated and open to abuse, a leading U.S. official said Thursday.

His paper rocked the physics world – and the space-time continuum. Not bad for a college dropout who critics say may not even exist.

The CIA is conducting a war game this week to simulate an unprecedented, Sept. 11-like electronic assault against the United States.

It doesn’t matter how brainy you are or how much education you’ve had – you can still improve and expand your mind.

The government said Wednesday it will give an extra $1 million in funding to a South Korean cloning pioneer, a week after he stunned the world with another breakthrough in stem-cell research.

Seth Godin: A few times a day, people ask when I’m going to have a podcast. My answer is probably not too soon.

The source of the world’s biggest sperm bank may soon run dry if Danish authorities decide to tax donors, Cryos International Sperm Bank said Wednesday.

A couple’s risk of having a pregnancy end in miscarriage appears to climb in tandem with the man’s age, according to a new study.

People with several clogged heart arteries fared better if they had bypass surgery rather than a less-drastic procedure in which the blood vessels are propped open with tiny mesh cylinders called stents, a study of nearly 60,000 patients found.

The folks at Blogebrity have a unique take on the blog scene. Drawing a parallel to the glitz and glam of Hollywood stars, they’ve divided some of the better-known bloggers into A-, B-, and C-lists.

Time magazine on Monday published its list of 100 all-time favorite movies ranging from Charlie Chaplin’s “City Lights” (1931) to Steven Spielberg’s “Schindler’s List” (1993) and 2003 computer-animated hit “Finding Nemo.”