5,529 results
5,529 results for: Forests
- Earth
Lemon-scented products spawn pollutants
Some fragrances used in home-care products can play a role in generating potentially harmful air pollution.
- 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.
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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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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.
- Earth
Ancient tree rings reveal past climate
Using tree-ring analysis, an international team of researchers has reconstructed the earliest record of annual climate variation.
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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.
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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.
- Anthropology
Drowned land holds clue to first Americans
A map of a now-flooded region charts the path that Asians may have taken to first reach the Americas.
- Archaeology
Ancient Asian Tools Crossed the Line
Excavations in China yield surprising finds of 800,000-year-old stone hand axes.
- Earth
Plants seen as unpredictable carbon sponge
Changing land-use practices—especially in forests, croplands, and fallow areas—appear to play a far bigger role than anticipated in determining how much carbon gets removed from the air by vegetation.
- Earth
Ice age forest spruces up ecology record
Scientists have recently discovered a 10,000-year-old forest buried in the sand in Michigan.
- Chemistry
Heat spurs growth of tiny carbon trees
Microscopic carbon forests can grow on a graphite surface without the help of catalysts.
