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December 21, 2005

Scientists discover ‘light echoes’ of ancient supernovae

Astronomers have found "light echoes" from three ancient supernovae by detecting their faint, centuries-old light reflected in the clouds of interstellar dust. The finding, to be published this week in Nature, means astronomers will, for the first time, be able to study these important but rare events that appeared hundreds to thousands of years ago.

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December 20, 2005

Last-minute shoppers flock to Titles

Behind on your Christmas shopping? Still looking for that perfect gift? Not enough time to wander the malls? Titles Bookstore, located in the basement of Gilmour Hall, is a popular place for last-minute McMaster shoppers. "We're going to be busy right up to Christmas," says Barry Petrie, interim director of the bookstore. And it's no wonder, considering its convenient location at the heart of the McMaster campus and wide selection of merchandise. "We still have plenty of items in stock," says Petrie. "Shoppers can still find everything they'll need to finish their Christmas shopping."

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December 19, 2005

Graduate student’s research paper chosen best at conference

Marc Colangelo, a medical sciences graduate student in the Faculty of Health Sciences, was the lead author on the article chosen for the Best Paper Award at the 18th International Conference on Computer Applications in Industry and Engineering (CAINE). Colangelo received the best paper award during the conference sponsored by the International Society for Computers and their Applications, held in Honolulu recently. It was chosen from among 108 submissions from 28 countries, some authored by established researchers and industry experts.

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December 19, 2005

Woolly mammoth genome comes to life

A McMaster University geneticist, in collaboration with genome researchers from Penn State University and the American Museum of Natural History has made history by mapping a portion of the woolly mammoth's genome. The discovery, which has astounded the scientific world, surpasses a study released today by Nature that also concerns the woolly mammoth. Hendrik Poinar, a molecular evolutionary geneticist in the department of anthropology and pathology at McMaster University, says his study involves the vital nuclear DNA within a mammoth rather than the lesser mitochondria, on which the Nature study is based.

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December 16, 2005

When fat is beneficial

A team of McMaster researchers have discovered that fat tissue surrounding thoracic arteries may be beneficial in patients undergoing coronary bypass surgery. A study led by Yu-Jing Gao, of the Department of Anesthesia, found that fat surrounding internal thoracic arteries produces a factor that can relax the artery. That finding could lead to an answer to one of the challenges that cardiac surgeons face during coronary artery bypass grafting (CABG) surgery.

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