Sid Perkins' Articles
- NewsNew genetic analyses of tropical marine microorganisms hint that some species are converting significant amounts of atmospheric nitrogen into nutrients, helping to fortify the base of the ocean's food pyramid.
- NewsA new analysis of fossils and living animals suggests that most dinosaurs' nostrils occurred at locations toward the tip of their snout rather than farther up on their face, a concept that may change scientists' views of the animals' physiology and behavior.
- NewsMites fossilized in cave formations in the American Southwest show that at times during the past 3,200 years the climate there was much wetter and cooler.
- NewsThe above-average number and strength of hurricanes in the North Atlantic during the past 6 years may signal the beginning of a threatening weather trend for the United States, the Caribbean, and Central America.
- NewsThe discovery of a new type of hydrothermal vent system on an undersea mountain in the Atlantic Ocean suggests that submarine hydrothermal activity may be much more widespread than previously thought.
- FeatureIf a nuclear explosion were set off in a cavity of the right size and shape, even a moderate-sized nuclear bomb might appear at long distances to be no bigger than a routine explosion used in mining.
- NewsA new analysis of water quality downstream of Atlanta shows that some pollutants from the city are still detectable in the river more than 500 kilometers away.
- NewsA new model that includes a forest's effect on regional climate shows that the Amazon rainforest could disappear in the next three decades, much more rapidly than previously expected.
- NewsAn Italian scientist makes the controversial suggestion that the original source of the legend of the Loch Ness Monster, as well as blame for many of the modern encounters with the supposed beast, may be seismic activity beneath the lake.
- NewsExcavations near an Egyptian oasis have unearthed the fossils of an animal that probably ranks as the second-most-massive dinosaur known.