5,526 results
5,526 results for: Forests
- 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.
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Why Fly into a Forest Fire?
Scientists puzzle over why some wasps and beetles race to forest fires.
- Ecosystems
The Buzz over Coffee
Most people consider the continued spread of Africanized honeybees in the Americas as horrifying news. Nicknamed killer bees, these notorious social insects rile into stinging mobs with little provocation. But new research finds evidence that these irritable insects have been performing a hitherto unrecognized service for people around the world. They’ve helped keep down the […]
- Health & Medicine
West Nile Worries Are No Reason to Give Up Breast-feeding
West Nile virus infections are spreading like wildfire–and not just through bug bites. Although the vast majority of the nearly 2,800 U.S. cases reported to the Centers for Disease Control and Prevention (CDC) so far this year were picked up from mosquitoes, at least 3 people–and possibly 15–appear to have acquired the virus from infected […]
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How the Butterfly Gets Its Spots
The spots on a butterfly wing turn out to be unusually good model systems for a range of disciplines from genetics to behavioral ecology, offering biologists a chance to paint the really big picture of how evolution works.
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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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Red Snow, Green Snow
It's truly spring when those last white drifts go technicolor as algae bloom in the snow.
- Health & Medicine
Smart Drugs: Leukemia treatments nearing prime time
Three new drugs stop acute myeloid leukemia in mice, suggesting the treatments will work in people with this deadly blood cancer.
- Anthropology
Cultures of Reason
East Asian and Western cultures may encourage fundamentally different reasoning styles, rather than build on universal processes often deemed necessary for thinking.
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18957
The article says, “Logging and burning for agriculture currently claim about 1 percent of the Amazon rain forest per year.” This simply is not true. We have been hearing this and even more alarming “statistics” about Amazon deforestation for more than 20 years. Yet NASA Landsat images show that little more than 10 percent of […]
- Animals
Butterfly ears suggest a bat influence
Researchers have found the first bat-detecting ear in a butterfly and suggest that the threat of bats triggered the evolution of some moths into butterflies.
- Paleontology
Older Ancestors: Primate origins age in new analysis
A controversial new statistical model concludes that the common ancestor of primates lived 81.5 million years ago, about 16 million years earlier than many paleontologists have estimated.
