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
Atmospheric rollercoaster followed Great Oxidation Event
Analyses of chromium isotopes in banded iron formations suggest oxygen levels fell for a period after the Great Oxidation Event.
-
Earth
Danger in the Air
To minimize the threat of volcanic ash plumes to aircraft, scientists are improving methods of satellite detection and developing ground-based gas and ash-plume sensors to monitor volcanic activity.
-
Planetary Science
Celestial population boom
Large meteoroids are probably more common than telescopic surveys suggest, new analyses find.
-
Earth
Unusual advances
New glacier model helps explain how ice masses can grow even in a generally warming climate.
-
Health & Medicine
Better BBQ through chemistry
Food chemists reveal their secrets to juicier, tastier barbecue.
-
Disaster Goes Global
The eruption in 1600 of a seemingly quiet volcano in Peru changed global climate and triggered famine as far away as Russia
-
Earth
Hazy changes on high
A big boost in coal burning, especially in China, is adding aerosols to the stratosphere.
-
Pearls Unstrung
For a while, the Great Lakes weren’t connected by rivers and Niagara Falls was just a trickle.
-
Earth
Big Gulp, Asian style
Satellite data reveals that increased irrigation pressure is rapidly depleting groundwater in northern India.
-
Earth
Spotting danger from on high
Airborne sensors can identify mineral outcrops and soil that may contain natural asbestos.