5,531 results
5,531 results for: Forests
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Weather cycles may drive toad decline
For the first time, scientists have linked a global climate pattern to a specific mechanism of amphibian decline.
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From the March 21, 1931 issue
MUSHROOMS SUDDEN GROWTH FOLLOWS LONG PREPARATION Quick as a mushrooms growth, is the phrase we like to apply to sudden and unexpected developments. An oil town, a stock-market fortune, the reputation of the writer of a hit, are all referred to the mushroom standard of comparison. Yet the mushroom is no creature of magic, not-here […]
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Warblers make species in a ring
Genetic and song analyses of the greenish warblers in forests around the Tibetan Plateau suggest the birds represent a long-sought evolutionary quirk called a ring species.
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Science News of the Year 2001
A review of important scientific achievements reported in Science News during the year 2001.
- Earth
Tough Choices
Federal programs to preserve water in streams during droughts have prompted lawsuits and new pressures on endangered species and the law that protects them.
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Joined at the Senses
As evidence accumulates for the existence of brain cells that handle many types of sensory information, some scientists challenge the popular notion that perception is grounded in five separate senses.
- Plants
Torn to Ribbons in the Desert
Botanists puzzle over one of Earth's oddest plants: the remarkably scraggly Welwitschia of southwestern Africa.
- Paleontology
Genes Seem to Link Unlikely Relatives
Genetic markers on three proteins suggest a common African ancestor for elephants, aardvarks, elephant shrews, golden moles, and other animals.
- Ecosystems
Wanted: Reef Cleaners
Nearly 18 years after a near total die-off of algae-grazing urchins in the Caribbean, those herbivores are poised for a comeback—which could help save area corals.
- Planetary Science
Stormy Weather
The 11-year cycle of solar storms has begun to peak, already affecting several Earth satellites and disturbing electric power systems on the ground, and scientists expect 2 more years of this solar maximum turmoil.
- Earth
Pinning Down the Sun-Climate Connection
Many scientists propose that changes in the sun's magnetic field and radiation output during its 11-year sunspot cycle also affect the atmosphere, changing Earth's climate by steering weather systems and influencing the amount of cloud cover.
