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Latest Iowa State University Stories

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2009-08-21 10:50:00

Srinivas Aluru recently stepped between the two rows of six tall metal racks, opened up the silver doors and showed off the 3,200 computer processor cores that power Cystorm, Iowa State University's second supercomputer.And there's a lot of raw power in those racks.Cystorm, a Sun Microsystems machine, boasts a peak performance of 28.16 trillion calculations per second. That's five times the peak of CyBlue, an IBM Blue Gene/L supercomputer that's been on campus since early 2006 and uses 2,048...

2009-08-17 15:54:10

 As a new mother herself, Brenda Lohman admits to being shocked by the results of a new study she co-authored. It found that among nearly 1,000 low-income families in three major cities, one in four children between the ages of 11 and 16 reported having sex, with their first sexual intercourse experience occurring at the average age of 12.77."So if 12 years was the average age here, that meant that some kids were starting at 10 or younger," said Lohman, an Iowa State University associate...

2009-06-26 14:59:23

Declining wind speeds could damage crops, increase pollution and raise temperatures in cities, Iowa State University researchers say. Wind speeds across the country have decreased an average of 0.5 percent to 1 percent each year since 1973, with the biggest declines in the East, the Northeast and the Great Lakes, the study said. The study, to be published in the Journal of Geophysical Research -- Atmospheres, confirmed the researchers' previously reported findings that lower wind speeds...

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2009-06-26 07:45:00

 Declining wind speeds in parts of the United States could impact more than the wind power industry, say Iowa State University climate researchers.Three Iowa State researchers contributed their expertise in modeling North America's climate to a study to be published in the Journal of Geophysical Research "“ Atmospheres. The study "“ led by Sara C. Pryor, a professor of atmospheric science at Indiana University Bloomington "“ found that wind speeds across the country...

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2009-06-18 07:40:00

Some video games can make children kinder and more likely to help "” not hurt "” other people. That's the conclusion of new research published in the current (June 2009) issue of Personality and Social Psychology Bulletin, a top-tier, peer-reviewed academic journal. The article presents the findings of three separate studies, conducted in different countries with different age groups, and using different scientific approaches. All the studies find that playing games with prosocial...

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2009-06-10 12:45:00

Some experts say the wind seems to be dying down across the United States, which could be a result of global warming, The Associated Press reported. But while many scientists disagree on the idea that winds may be slowing at all, a revolutionary new study suggests that average and peak wind speeds, particularly in the Midwest and the East, have been noticeably slowing since 1973. Eugene Takle, a professor of atmospheric science at Iowa State University and the study's co-author, said in some...

2009-05-15 08:36:58

Stress may indeed be a direct contributor to childhood obesity. That's according to a new Iowa State University study finding that increased levels of stress in adolescents are associated with a greater likelihood of them being overweight or obese.The study of 1,011 adolescents (aged 10-15) and their mothers from low income families living in three cities -- Boston, Chicago and San Antonio -- was posted on the Web site of the Journal of Adolescent Health (http://www.jahonline.org/inpress),...

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2009-04-20 10:05:00

Parents have been saying for years that their kids are "addicted" to video games, but a new study by an Iowa State University psychology professor is the first to actually report that pathological patterns of video game addiction exist in a national sample of youth, aged 8 to 18. In a national Harris Poll survey of 1,178 American youths (ages 8-18), ISU Assistant Professor of Psychology Douglas Gentile found nearly one in 10 of the gamers (8.5 percent) to be pathological players according to...

2009-04-02 11:04:48

As a major food source for much of the world, rice is one of the most important plants on earth.Keeping it safe from disease has become, in part, the task of a group of three researchers from Iowa State University and one from Kansas State University.The researchers are looking at two bacterial diseases of rice. The most costly is bacterial blight of rice, which is caused by a bacterium called Xanthomonas oryzae pathovar oryzae, and can diminish yield by up to 50 percent."This is the most...

2009-03-04 08:28:33

 A new study by psychologists from Iowa State University and Linfield College has found that TV ratings don't accurately reflect the aggressive content found in shows popular among children -- even cartoons.Jennifer Linder, associate professor of psychology at Linfield; and Douglas Gentile, assistant professor of psychology at Iowa State, conducted the study of 95 fifth-grade girls from three Oregon elementary schools and their favorite TV shows. They found higher levels of physical...


Word of the Day
sough
  • A murmuring sound; a rushing or whistling sound, like that of the wind; a deep sigh.
  • A gentle breeze; a waft; a breath.
  • Any rumor that engages general attention.
  • A cant or whining mode of speaking, especially in preaching or praying; the chant or recitative characteristic of the old Presbyterians in Scotland.
  • To make a rushing, whistling, or sighing sound; emit a hollow murmur; murmur or sigh like the wind.
  • To breathe in or as in sleep.
  • To utter in a whining or monotonous tone.
According to the OED, from the 16th century, this word is 'almost exclusively Scots and northern dialect until adopted in general literary use in the 19th.'
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