5,545 results
5,545 results for: Forests
- Animals
Vocal abilities lost, found and drowned out
Reports from the meeting of the American Ornithologists' Union
- Psychology
How to walk in circles without really trying
People walk in circles when landmarks and other directional cues are not available.
- Animals
Ants in the pants drive away birds
Yellow crazy ants can get so annoying that birds don’t eat their normal fruits, a new study finds.
- Paleontology
Fish death, mammal extinction and tiny dino footprints
Paleontologists in Bristol, England, at the annual meeting of the Society of Vertebrate Paleontology report on fish fossils in Wyoming, the loss of Australia’s megafauna and the smallest dinosaur tracks.
- Humans
Partial skeleton gives ancient hominids a new look
African hominid fossils, including a partial skeleton, reveal a surprising mix of features suitable for upright walking and tree climbing 4.4 million years ago.
- Chemistry
Flowerless plants make fancy amber
A new analysis suggests that ancient seed plants made a version of the fossilized resin credited to more modern relatives
- Anthropology
Pygmies’ short stature linked to high death rates
Island-dwelling pygmies provide contested evidence that body size shrinks as mortality rates climb.
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19261
This article raised so many questions. Do children who play in the dirt get their increased immune resistance from phages in the dirt? Is there a phage connection in the AIDS story? Does the risk of dying of heart attacks have a phage connection? If so, is group A Streptococcus involved? Do we need a […]
- 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.
