Search Results for: Forests
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5,526 results for: Forests
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Squirrels save for the family’s future
Some female red squirrels hoard extra food for youngsters that haven't yet been conceived.
By Susan Milius -
ArchaeologyEarly farmers crop up in Jordan
An ancient site discovered in southern Jordan dating back more than 9,000 years may help to illuminate the origins of farming in the Middle East.
By Bruce Bower -
ArchaeologyAgriculture’s roots go tropical
Tropical-forest dwellers in Central America may have cultivated manioc and other root crops as many as 7,000 years ago.
By Bruce Bower -
PaleontologyDid ancient wildfire end in barbecue?
Small pieces of large bones and petrified wood that show distinct signs of being burned may be evidence of a 74-million-year-old wildfire in central Wyoming.
By Sid Perkins -
EcosystemsFly may be depleting U.S. giant silk moths
A parasitic fly introduced to fight gypsy moths starting in 1906 may be an overlooked factor in the declines of giant silk moths.
By Susan Milius -
EarthLemon-scented products spawn pollutants
Some fragrances used in home-care products can play a role in generating potentially harmful air pollution.
By Janet Raloff -
PaleontologyGenes 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.
By Sid Perkins -
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.
By Susan Milius -
Depression linked to heart deaths
In a community sample, people suffering from moderate to severe depression exhibited an elevated death rate from heart disease over a 4-year study period, even if they had no discernable heart disease to begin with.
By Bruce Bower -
EarthAncient tree rings reveal past climate
Using tree-ring analysis, an international team of researchers has reconstructed the earliest record of annual climate variation.
By Linda Wang -
Gender-bending flowers spice forests
In a newly discovered trick for avoiding self-pollination, ginger flowers take turns at gender roles, switching from female to male or vice versa in unison around lunchtime.
By Susan Milius -
Weather cycles may drive toad decline
For the first time, scientists have linked a global climate pattern to a specific mechanism of amphibian decline.
By Susan Milius