5,538 results
5,538 results for: Forests
- Paleontology
Rain Forest Primeval? Colorado fossils show unexpected diversity
The size, shape, and riotous variety of fossil leaves unearthed at a site in central Colorado suggest that the region may have been covered with one of the world's first tropical rain forests just 1.4 million years after the demise of the dinosaurs.
- Anthropology
Evolution’s Surprise: Fossil find uproots our early ancestors
Researchers announced the discovery of a nearly complete fossil skull, along with jaw fragments and isolated teeth, from the earliest known member of the human evolutionary family, which lived in central Africa between 7 million and 6 million years ago.
- Earth
Study links cancer to Vatican Radio
Broadcast transmissions from a forest of antennas owned by Vatican Radio, outside Rome, appear to have boosted leukemia incidence in neighboring communities.
- Earth
Nature’s Own: Ocean yields gases that had seemed humanmade
Chemical analyses of seawater provide the first direct evidence that the ocean may be a significant source of certain atmospheric gases that scientists had previously assumed to be produced primarily by industrial activity.
- 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.
