26/10/2009

Statistics experts reject global cooling claims

(AP) -- Have you heard that the world is now cooling instead of warming? You may have seen some news reports on the Internet or heard about it from a provocative new book.

Teacher talk strains voices, especially for women

Teachers tend to spend more time speaking than most professionals, putting them at a greater risk for hurting their voices -- they're 32 times more likely to experience voice problems, according to one study. And unlike singers ...

Tiny Train Model May be World's Smallest (w/ Video)

(PhysOrg.com) -- David Smith, who has been building model railroads since 1965, has always had a preference for the smaller scale train models. His most recent project is a five-car train that runs through a scene of mountains, ...

Slipper-shaped blood cells

Red blood cells, which make up 45 percent of blood, normally take the shape of circular cushions with a dimple on either side. But they can sometimes deform into an asymmetrical slipper shape. A team of physicists have used ...

Roth IRA conversion not a good fit for all, tax expert says

Starting next year, anyone can convert retirement savings into tax-advantaged Roth individual retirement accounts, but the much-touted switch isn't for everyone, a University of Illinois expert on tax and elder law warns.

page 5 from 7