Uncategorized
- Anthropology
Cultivating Revolutions
New studies suggest that farmers spread from the Middle East throughout Europe beginning around 10,000 years ago in a multitude of small migrations that rapidly changed the continent's social and cultural landscape.
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19510
In this article you failed to mention a possibly important factor for the introduction of agriculture into Europe, namely, the creation of the Black Sea from a large freshwater lake at the end of the last ice age. Could this not have forced the early farmers westward after they had lost so much of their […]
- Humans
From the January 26, 1935, issue
A giant turbine flywheel, high-altitude plane flights, and high-energy cosmic rays.
- Archaeology
Chaco’s Past
Explore the intersection of modern science and ancient cultures at a Web site about New Mexico’s Chaco Canyon, launched by the Exploratorium in San Francisco. The site includes a look at connections between celestial alignments of prehistoric buildings in the canyon and recent solar research. It also contains a teacher’s guide to classroom activities for […]
- Humans
The Heights of School Science: Select student research rises to the top
Forty high school students have each earned a slot in the final round of the 2005 Intel Science Talent Search.
- Chemistry
Hungry for Hydrogen: Microbes in hot springs feed on unlikely source
Microbes dwelling in Yellowstone National Park's hot springs draw their energy not from sulfur but from hydrogen.
- Plants
In a Snap: Leaf geometry drives Venus flytrap’s bite
Behind a Venus flytrap's rapid snap lies an extraordinary shape-changing mechanism.
- Health & Medicine
Good Exposure: Contact with babies might lessen MS risk
People who grow up with younger siblings close to them in age are less likely to develop multiple sclerosis later in life than are people without such siblings.
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19509
According to your article, exposure to the Epstein-Barr virus in early life produces only flu-like symptoms but exposure at adolescence or later often results in mononucleosis, which is a possible precursor of multiple sclerosis, diabetes, rheumatoid arthritis, and chronic fatigue syndrome. It seems to me that much human misery could be eliminated by developing a […]
- Math
Sizing Up Complex Webs: Close or far, many networks look the same
Complex networks, including the World Wide Web, have a common architecture with snowflakes and trees.
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Lost Sight, Found Sound: Visual cortex sees way to acquiring new duties
Brain areas that are usually devoted solely to vision can take on new duties following severe or total sight loss.
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Giardia Bares All: Parasite genes reveal long sexual history
Sexual reproduction started billions of years ago, as soon as life forms that have nuclei and organelles within their cells branched off from their structurally simpler ancestors.
