Search Results for: desert ecosystem
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Earth
Signs of Life?
Life's effects on a planet's terrain show up only in surprisingly subtle ways.
By Sid Perkins -
Earth
The Big Dry
Parts of Australia have suffered from severe drought for more than a decade, and people, vegetation, and animals are feeling the heat.
By Emily Sohn -
Ecosystems
Brave Old World
If one group of conservation biologists has its way, lions, cheetahs, elephants, and other animals that went extinct in the western United States up to 13,000 years ago might be coming home.
By Eric Jaffe -
Animals
Sexually Deceptive Chemistry: Beetle larvae fake the scent of female bees
Trick chemistry lets a bunch of writhing caterpillars attract a male bee that they then use as a flying taxi on their way to find food.
By Susan Milius -
Ecosystems
Most Bees Live Alone
Concern about honeybee shortages has inspired new interest in bees that lead solitary lives and don't bother storing honey.
By Susan Milius -
Humans
Science News of the Year 2006
A review of important scientific achievements reported in Science News during the year 2006.
By Science News -
Plants
Smokey the Gardener
Wildfire smoke by itself, without help from heat, can trigger germination in certain seeds, but just what the vital compound in that smoke might be has kept biologists busy for years.
By Susan Milius -
Humans
Science News of the Year 2005
A review of important scientific achievements reported in Science News during the year 2005.
By Science News -
Earth
Thin Skin
Desert pavement, a delicate veneer of stones that covers the surface of up to 50 percent of the world's arid lands, is susceptible to being damaged by everything from multi-ton tanks to careless footsteps, and the resulting scars can take thousands of years to mend on their own.
By Sid Perkins -
Humans
Science News of the Year 2004
A review of important scientific achievements reported in Science News during the year 2004.
By Science News -
Anthropology
The Ultimate Colonists
Human ancestors managed to adjust to life in a variety of ecosystems during the Stone Age, indicating that their social lives were more complex than they've often been given credit for.
By Bruce Bower -
Paleontology
Learning from the Present
New field studies of unfossilized bones, as well as databases full of information about current fossil excavations and previous fossil finds, are providing insights into how complete—or incomplete—Earth's fossil record may be.
By Sid Perkins