All Stories by Sid Perkins
- Earth
Sonic Sands: Uncovering the secret of the booming dunes
The age-old mystery of sand dunes that produce loud, thrumming noises is explained by a new theory that involves a resonant layer of dry sand.
- Plants
Cretaceous Corsages? Fossil in amber suggests antiquity of orchids
Orchids appeared on the scene about 80 million years ago, according to evidence from a bee that collected orchid pollen and got trapped in amber.
- Earth
Arctic snow was dirtier in early 1900s
Arctic snow collects less soot now than it did a century ago, but it's still dirtier than it was before the Industrial Revolution.
- Earth
O River Deltas, Where Art Thou? Coastal sinking stalls sediment accumulation
The western coast of Siberia lacks river deltas because of the way the terrain has subsided since the end of the last ice age.
- Earth
It’s not nice to fool Mother Nature
Throwing tiny particles into the atmosphere to counteract global warming could cause extended droughts and other weather disruptions.
- Earth
Asian Forecast: Hazy, Warmer—Clouds of pollution heat lower atmosphere
Clouds of smoke and soot that blanket many regions of Asia heat the lower atmosphere by the same amount that rising greenhouse gases do.
- Paleontology
Dinosaurs’ gradual rise to dominance
Early dinosaurs didn't quickly eclipse the creatures they evolved from, but lived alongside them for perhaps 20 million years.
- Earth
Light reaches deep in southeast Pacific
In a remote part of the southeastern Pacific where marine life is sparse, ultraviolet light penetrates to unprecedented depths.
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- Earth
Stunting Growth: Ozone will trim plants’ carbon-storing power
Increasing ground-level ozone due to pollution will stifle the growth of vegetation in many regions, accelerating the buildup of planet-warming carbon dioxide in the atmosphere.
- Earth
Erosion accelerates along Alaskan coast
Alaska's northern coast is falling into the sea at an accelerating rate.
- Earth
Birth of an Island: Megaflood severed Europe from Britain
Hundreds of thousands of years ago, the spillover from an immense glacial lake carved a chasm that in a matter of weeks separated what is now Britain from continental Europe.
