Sid Perkins
Sid Perkins is a freelance science writer based in Crossville, Tenn.
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All Stories by Sid Perkins
- Paleontology
Ancient fish with killer bite
Dunkleosteus clamped down on prey with three-quarters-of-a-ton bite force.
- Archaeology
Biocides inducing resistance in Lascaux cave’s microbes
Study makes researchers wonder whether they should treat fungus or not.
- Life
Portuguese trove of trilobite fossils
Fossils include largest known trilobite specimen and groups of the ancient arthropods caught in the act of molting and spawning.
- Paleontology
Soft tissue from a dino fossil
Researchers have uncovered soft tissue and fragments of several proteins from a hadrosaur.
- Earth
A limit for carbon emissions: 1 trillion metric tons
To reduce risks of severe damage from climate change, humans should burn no more than 1 trillion tons of carbon in total, researchers suggest.
- Plants
Climatic effects of tree-killing hurricanes
A new analysis suggests storm damage returns millions of metric tons of carbon dioxide to the atmosphere each year.
- Earth
A little air pollution boosts vegetation’s carbon uptake
Aerosols bumped up world’s plant productivity by 25 percent in the 1960s and 1970s, new research suggests.
- Life
Fossil evidence for a Goldilocks tyrannosaur
A newly described species of tyrannosaur helps fill in details about the fearsome meat-eating dinosaurs.
- Planetary Science
Antarctic ecosystem holds unusual microbes
Long isolated deep under a glacier, life thrives in dark, salty water by breathing iron and eating sulfates.
- Space
Massive solar flares captured in 3-D
Distance between orbiting STEREO craft allows better imaging of coronal mass ejections.
- Life
Early land arthropods sported shells
Ancient ocean-dwelling arthropods may have worn shells to enable their transition to land.
- Earth
Arctic ice more vulnerable than ever
Ocean’s ice cap is smaller than long-term average and thinnest yet as melt season begins.