823,565 articles

One of the most porous materials ever discovered

The delivery of pharmaceuticals into the human body or the storage of voluminous quantities of gas molecules could now be better controlled, thanks to a new study. Chemists have posed an alternative approach toward building porous materials.

Smoky pink core of Omega Nebula

A new image of the Omega Nebula, captured by ESO's Very Large Telescope, is one of the sharpest of this object ever taken from the ground. It shows the dusty, rose-colored central parts of this famous stellar nursery and reveals extraordinary detail in the cosmic landscape of gas clouds, dust and newborn...

Impaired quality of life: A warning signal after esophageal cancer surgery

A new study shows that most patients who survive for at least five years after esophageal cancer surgery recover an average quality of life. However, quality of life deteriorates significantly for one in six patients to a level that remains much lower than the average population in the five years after surgery. This suggests, say the researchers, that hospitals must be better at identifying this...

Major variation in bladder cancer subtype trends highlights need for focused research

A major study of 128,000 patients has found significant differences between the most common cancer tumors growing inside and on the surface of the bladder. Papillary transitional cell carcinoma rose by 56% between 1973 and 2007 and non-papillary transitional cell carcinoma fell by 53% over the same period, suggest that they may be two disease entities with different causes. This significant...

The Bechstein's bat, more Mediterranean than thought

The Bechstein’s bat or Myotis bechsteinii lives in deciduous forests. It used to be very common in the Holocene era, but today there are only a few dispersed groups, despite the fact that a colony can be found almost anywhere in Europe. It has been rendered vulnerable by human interference and forest destruction. And this has even led to confusion about its...

Windows XP OS Usage Falls To 46.5 Percent

Net Applications reports that global usage of Microsoft's venerable Windows XP operating system has declined 11 percentage points since February of last year. According to the Web metrics firm's latest data, Windows XP held a 46.52 percent share of the online PC market at the end of 2011. The majority of users who upgraded from XP last year are now running Windows 7 on their desktop PCs,...

Windows Users Can Feel at Home on a Mac

More people are making the switch from PC to Mac these days. Nevertheless, some former PC users still find themselves longing for certain Windows-only programs. They need look no further. Thanks to functions like Bootcamp, Parallels Desktop and Fusion, there are ways to set up virtual PCs on a Mac, resurrecting, for example, your favorite computer games from your old machine. Bootcamp is an...

More Turn To Do-Not-Track Software To Maintain Privacy

Upon reading recent news stories about how Facebook tracks almost everywhere he goes on the Internet, Jim Kress grew outraged. The consultant from Northville, Mich., subsequently learned Google, Microsoft, Yahoo, Adobe and many other companies also exhaustively track his online activities. "I was very unnerved to discover the extent of all the other tracking that was done by nearly every site...

Designer Behind Apple's Products Knighted in U.K.

Fans of the clean, inviting look of the iPhone, iPad and other blockbuster Apple products are legion, and that includes Queen Elizabeth II. The British monarch has awarded a knighthood to Jonathan Paul Ive, a British citizen and head of Apple Inc.'s design team since the mid-'90s. Ive received a KBE, short for Knight Commander of the Most Excellent Order of the British Empire. The honor was...

For Some in Need, Facebook Is Route To New Kidney

Here's another reason for holdouts to join the social media site Facebook: It's a great place to find a kidney. Between the children's photos and reminiscences about high school, more and more pleas for help from people with failing kidneys are popping up. Facebook and other social media sites are quickly becoming a go-to place to find a generous person with a kidney to spare, according to the...

Citibank Turns Rewards into 'Social Currency'

Credit card rewards are the new social currency. Citibank customers can now use Facebook to pool their rewards points online. The bank on Tuesday launched a Facebook application that lets users team up to use their points, whether it's for charity, a group gift or a personal goal. Citi says it's the first bank to offer such a feature. The app builds on a service Citi introduced last year...