Sid Perkins is a freelance science writer based in Crossville, Tenn.
Sid Perkins' Articles
- NewsComputer models show that air pollution over India could be preventing up to 15 percent of the sunlight from reaching the ground in the springtime, possibly causing temperature drops of up to 2 degrees Celsius.
- NewsPreliminary data from the National Climatic Data Center indicate the year 2000 will be one of the six hottest and one of the ten wettest years on record.
- NewsGenetic markers on three proteins suggest a common African ancestor for elephants, aardvarks, elephant shrews, golden moles, and other animals.