Sid Perkins
Sid Perkins is a freelance science writer based in Crossville, Tenn.
 
Trustworthy journalism comes at a price.
Scientists and journalists share a core belief in questioning, observing and verifying to reach the truth. Science News reports on crucial research and discovery across science disciplines. We need your financial support to make it happen – every contribution makes a difference.
All Stories by Sid Perkins
- 			 Earth EarthSmall earthquakes may not predict larger onesQuakes far from tectonic plate boundaries may simply be aftershocks of ancient temblors. 
- 			 Climate ClimateMount Kilimanjaro could soon be baldThe world-renowned ice caps could disappear by 2022, new research suggests. 
- 			 Chemistry ChemistryAerosols cloud the climate pictureA NASA model incorporates how atmospheric aerosols and greenhouse gases interact, yielding better estimates of the gases' warming and cooling effects. 
- 			  As the worms churnBurrowing animals mix soil and sediments, shaping the environment and scientists’ understanding of it. 
- 			 Earth EarthWorld’s longest cave formation still growingMinerals still accumulate in New Mexico’s Snowy River. 
- 			  
- 			 Chemistry ChemistryHow leaves could monitor pollutionTrees near high-traffic areas accumulate tiny particles. 
- 			 Earth EarthJohnstown Flood matched volume of Mississippi RiverA modern survey of terrain determines flow rate of the 1889 flood that was one of America's deadliest disasters. 
- 			 Ecosystems EcosystemsWindy with a chance of weevilsScientists have traced the reappearance of cotton pests in west-central Texas to a tropical storm. 
- 			 Paleontology PaleontologyFungi thrived during mass extinctionFossil analyses hint that several species thrived during the world’s largest mass extinction. 
- 			 Tech TechNobel Prize in physics awarded for work with lightCharles K. Kao wins for discoveries enabling fiber-optic communication, and Willard S. Boyle and George E. Smith win for inventing the charge-coupled device 
- 			 Paleontology PaleontologyFish death, mammal extinction and tiny dino footprintsPaleontologists in Bristol, England, at the annual meeting of the Society of Vertebrate Paleontology report on fish fossils in Wyoming, the loss of Australia’s megafauna and the smallest dinosaur tracks.