Latest Oliver Pergams Stories

2009-07-31 14:08:11

Changes in the head shape and overall size of rodents has been linked to human population density and climate change, a Chicago researcher said. The size and head shape of rodents has shifted substantially during the last 100 years, with some larger and some smaller, Oliver Pergams, a researcher at the University of Chicago said in a statement released Friday. Pergams studied 1,300 specimen rodents from museums around the world, including Chicago's Field Museum and the Smithsonian Institution...

2009-07-31 07:59:06

You probably hadn't noticed -- but the head shape and overall size of rodents has been changing over the past century. A University of Illinois at Chicago ecologist has tied these changes to human population density and climate change.The finding is reported by Oliver Pergams, UIC research assistant professor of biological sciences, in the July 31 issue of PLoS One.Pergams said that such size-and-shape changes in mammals, occurring around the world in less than a century, are quite...

2006-06-21 00:35:00

By Jon Hurdle PHILADELPHIA -- Americans are less interested in spending time in natural surroundings like national parks because they are spending more time watching television, playing video games and surfing the Internet, according to a study released on Tuesday. The study, for The Nature Conservancy, found per-capita visits to national parks have been declining for years. National park visitation data starting in 1930 peaked in 1987 at 1.2 visits per person per year. But by 2003 it had...

Word of the Day
  • Like a worm in form or movement; vermiform; tortuous or sinuous; also, writhing or wriggling.
  • Like the track or trace of a worm; appearing as if worm-eaten; vermiculate.
  • Marked with fine, close-set, wavy or tortuous lines of color; vermiculated.
  • A form of rusticated masonry which is so wrought as to appear thickly indented with worm-tracks.
This word ultimately comes from the Latin 'vermis,' worm.