Uncategorized
- Animals
Hummingbirds can clock flower refills
Hummingbirds can keep track of when a particular flower has replenished its nectar and is worth visiting again.
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Although I love finding out about how traits supposedly unique to humans are shared by animals, I don’t see how the experiment in this article demonstrates episodic memory in hummingbirds. How is this not the simple sensing (smelling) of the sugar drink in the syringes? Yvonne LyerlaSonoma, Calif. Researcher T. Andrew Hurly says that his […]
- Archaeology
Early farmers took time to tame wheat
Domesticated varieties of wheat emerged gradually in the prehistoric Near East over a roughly 3,000-year span.
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A great earthquake occurs on average every 130 years in the southern part of the San Andreas fault, so Los Angeles is long overdue. Make no mistake, loss of life, injuries, and damage will be on an apocalyptic scale. The government may take days or weeks to bring in help. You must take responsibility for […]
- Earth
Region at Risk
Scientists are still analyzing the magnitude 7.9 quake that struck San Francisco a century ago and, at the same time, are scrambling to estimate when the next large quake will strike the Bay Area.
- Plants
They’re All Part Fungus
Hidden deep in their tissues, all plants probably have fungi that don't make them sick but still may have a big influence.
- Math
Shadows of the Fourth Dimension
In a new book, artist Tony Robbin presents his vision of the fourth dimension in science, art, and modern thought. For more math, visit the MathTrek blog.
- Humans
From the April 4, 1936, issue
Hidden blossoms of spring, postponing old age, and the future of atomic energy.
- Math
Math Focus on Internet Security
Internet security is the theme for this year’s Mathematics Awareness Month, highlighting the crucial role that mathematics plays in the development of cryptosystems. This Web site provides information and resources for celebrating Mathematics Awareness Month. Go to: http://www.mathaware.org/mam/06/
- Humans
Letters from the April 8, 2006, issue of Science News
Hot and cold “Warming climate will slow ocean circulation” (SN: 2/4/06, p. 77) makes me wonder, Does continental drift cause occasional changes to the ocean’s currents? Would major reorganizations of ocean currents tend to cause ice ages by temporarily disrupting the flow of warm water that normally keeps the ice at bay? Would simulations of […]
- Health & Medicine
Building a Bladder: Patients for the first time benefit from lab-grown organs
The humble bladder is now the world's first bioengineered internal organ to work in people.
- Humans
A Shot against Pandemic Flu: Vaccines would play pivotal role in response
Mass vaccination should be the linchpin of the U.S. response to an influenza pandemic, according to new computer simulations.
