5,531 results
5,531 results for: Forests
- 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.
- Archaeology
Early New World Settlers Rise in East
New evidence supports the view that people occupied a site in coastal Virginia at least 15,000 years ago.
- Tech
DNA embrace might drive micromachines
DNA interactions that bend tiny diving boards, or cantilevers, may open the door to powering micromachines by means of molecular reactions.
- Paleontology
Fossils Hint at Who Left Africa First
Fossil skulls found in central Asia date to 1.7 million years ago and may represent the first ancestral human species to have left Africa.
- Earth
Prescribed fire burns out of control
A fire set by the National Park Service to clear underbrush burned out of control, consuming more than 44,000 acres around Los Alamos, N.M.
- Ecosystems
Lab ecosystems show signs of evolving
An ambitious test of group selection considers whether natural selection can act on whole ecosystems as evolutionary units.
- Plants
Team corners culprit in sudden oak death
After 5 years of mystery, California pathologists announced they may have identified the cause of a new tree disease called sudden oak death.
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Banning deer boosts migratory birds
In a 9-year test, excluding deer raised the population numbers among bird species, such as hooded warblers, that have a high conservation priority.
