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Science News Archive September 2007 - Page 18


Page 18 of 18

Cooked ham with a 39 day shelf life

A team of scientists has found a reliable and cost-effective method to extend the shelf life of cooked ham to 39 days by using a protective culture of Lactobacillus sakei. The treatment resulted in a more acceptably taste, texture, and overall quality compared to conventionally preserved ham.

Smokers are more likely to develop dementia

A recent study published in Neurology found that smokers are 50% more likely to develop dementia than nonsmokers or past smokers. The study suggests that smoking increases the risk of dementia through mechanisms such as oxidative stress, which can damage cells in blood vessels and lead to hardening of the arteries.

SourceAmerican Academy of Neurology·JournalNeurology·DateSep 3, 2007

Pop stars more than twice as likely to die an early death

A study of over 1050 North American and European musicians found that they are more than twice as likely to die an early death compared to the general population. Long-term drug or alcohol problems accounted for nearly one in four deaths, with some stars continuing to experience higher death rates even 25 years after achieving fame.

SourceBMJ Specialty Journals·JournalJournal of Epidemiology and Community Health·DateSep 3, 2007

Princeton engineers develop low-cost recipe for patterning microchips

Researchers at Princeton University have invented a new process called fracture-induced structuring that enables the self-formation of periodic lines, or gratings, separated by as few as 60 nanometers. This technique uses a thin polymer film and is simpler and faster than traditional methods, making it economically feasible for large-s...

SourcePrinceton University, Engineering School·JournalNature Nanotechnology·DateSep 2, 2007