5,540 results
5,540 results for: Forests
- 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.
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Promiscuity in guppies has its virtues
Mating with multiple partners benefits the female Trinidadian guppy and her offspring by reducing gestation time and producing youngsters more adept at forming protective schools and at evading capture.
- Plants
A new, slimy method of self-pollination
When all else fails for pollination, a Chinese herb in the ginger family resorts to something botanists say they haven't seen before: a do-it-yourself oil slick.
- Anthropology
Chimps show skill in termite fishing
Video cameras set up in a central-African forest have recorded the sophisticated ways in which local chimpanzees catch termites for eating.
- Animals
Poison Source: Toxic birds may get chemical from beetle
When some poisonous New Guinea birds eat certain tiny beetles, they may be stocking up on the toxic substance they use to defend themselves.
- Earth
Lead’s a moving target at rifle ranges
The lead used in bullets and shotgun pellets can be a threat to the environment near rifle ranges but many of its hazards are manageable.
- Anthropology
South American Surprise: Ancient farmers settled in Uruguay’s wetlands
The discovery of a 4,200-year-old farming settlement in Uruguay challenges traditional notions of where early South American societies took root.
- Physics
Twinkle Toes: How geckos’ sticky feet stay clean
Besides allowing geckos to cling to walls and ceilings, the millions of tiny fibers on the undersides of these lizards' toes clean themselves with each step.
- Paleontology
Pieces of an Ancestor: African site yields new look at ancient species
Fossils unearthed at sites in eastern Africa provide a rare look at Ardipithecus ramidus, a member of the human evolutionary family that lived more than 4 million years ago.
- Health & Medicine
When Ebola Looms: Human outbreaks follow animal infections
A network of organizations in an African region prone to Ebola epidemics has identified the virus in wild-animal remains prior to two recent human outbreaks, suggesting that animal carcasses may provide timely clues that could prevent the disease from spreading to people.
