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An international team of physicists examining an extremely rare form of subatomic particle decay — a veritable golden needle in a micro-cosmic haystack of 7.8 trillion candidates — has discovered evidence for the highly sought process, which could be an indication of new forces beyond those incorporated in the Standard Model of particle physics. That long-standing theory of all particle physics precisely predicts the rate of such decays to be half that observed by the experimenters although it is s

Peeking at a Puzzling Supernova with Spectropolarimetry

By measuring polarized light from an unusual exploding star, an international team of astrophysicists and astronomers has worked out the first detailed picture of a Type Ia supernova and the distinctive star system in which it exploded.

Using the European Southern Observatory’s Very Large Telescope in Chile, the researchers determined that supernova 2002ic exploded inside a flat, dense, clumpy disk of dust and gas

To enhance multilingual access to the reams of online news, project OmniPaper has tested a prototype that offers ’semantic search’ capabilities for Europe’s newspapers on the Net.

The IST project’s prototype was made available to the public in November 2003, with users able to use the semantic, or ’smart search’, for news articles from a set of almost 2000 English-language articles from UK-based The Daily Telegraph.

“Smart search means that the search

A decades-old mathematical model is being inappropriately used in at least 26 nations to make potentially costly predictions about how shorelines will retreat in response to rising sea levels, two coastal scientists contended in the Friday, March 19, 2004, issue of the research journal Science.

“Models can be a hazard to society, and this is certainly an example of such,” wrote Orrin Pilkey of Duke University’s Nicholas School of the Environment and Earth Sciences, and J. Andrew Cooper

Researchers in North Carolina State University’s Department of Computer Science have developed a new data transfer protocol for the Internet that makes today’s high-speed Digital Subscriber Line (DSL) connections seem lethargic.

The protocol is named BIC-TCP, which stands for Binary Increase Congestion Transmission Control Protocol. In a recent comparative study run by the Stanford Linear Accelerator Center (SLAC), BIC consistently topped the rankings in a set of experiments that determined

A mild, experimental smallpox vaccine known as modified vaccinia Ankara (MVA) is nearly as effective as the standard smallpox vaccine in protecting monkeys against monkeypox, a study by researchers of the National Institute of Allergy and Infectious Diseases (NIAID), one of the National Institutes of Health, has found. Monkeypox is used to test the effectiveness of a smallpox vaccine because of its similarity to the smallpox virus. The study appears in the March 11 issue of Nature.

“These f