29/08/2005

Ozone layer decline leveling off, according to new study

A new global study involving long-term data from satellites and ground stations indicates Earth's ozone layer, while still severely depleted following decades of thinning from industrial chemicals in the atmosphere, is no ...

Magnetic nanoparticles for potential cancer treatment

Virginia Commonwealth University researchers have created highly magnetized nanoparticles based on metallic iron that could one day be used in a non-invasive therapy for cancer in which treatment would begin at the time of ...

Finding a Way to Test for Dark Energy

What is the mysterious dark energy that's causing the expansion of the universe to accelerate? Is it some form of Einstein's famous cosmological constant, or is it an exotic repulsive force, dubbed "quintessence," that could ...

Improving Security of Handheld IT Devices

Handheld devices such as personal digital assistants are becoming indispensable tools for today’s highly mobile workforce. Small and relatively inexpensive, these devices can be used for many functions, including sending ...

Human ability good in tracking odors

University of California-Berkeley scientists say although humans may never match a dog's tracking ability, we apparently can sniff out and locate odors.

Internet telephony enticing new users

Making calls over the Internet -- rather than over the conventional phone network -- may become the norm for corporations in the coming years, experts told UPI's Networking.

Cinema goes digital

The future of cinema is digital: At the International Broadcast Convention IBC in Amsterdam (September 9 to 13, 2005), the Fraunhofer Digital Cinema Network will be presenting the latest developments in the field of Digital ...

Scientists Describe New Way to Peer Inside Bacteria

X-rays yield pictures and chemical clues that may help trace contaminants, thwart terrorists As part of the search for better ways to track and clean up soil contaminants, scientists at the U.S. Department of Energy's Brookhaven ...

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