Uncategorized
- Math
Ancient Islamic Penrose Tiles
Medieval Islamic artisans developed a process for creating elaborate, nonrepeating patterns now associated with Penrose tiles.
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Microbe World
Created by the American Society for Microbiology, the Microbe World Web site highlights the increasing importance of microbes in the environment, biotechnology, alternative energy, food science, and healthcare. Designed for science enthusiasts, students, teachers, parents, and the general public, the site features articles, images, audio and video podcasts, RSS feeds, and mobile “phonecasts.” Microbe World […]
- Ecosystems
Warming Sign? Larger dead zones form off Oregon coast
Unprecedented recent changes in the yearly pattern of ocean currents off North America's West Coast have wreaked havoc on aquatic ecosystems there, another possible symptom of Earth's warming climate.
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Decoding Autism: Study finds DNA clues to developmental disorders
New results direct the search for autism-influencing genes to a previously overlooked DNA segment and highlight the role of a crucial chemical-messenger system in creating brains susceptible to autism.
- Animals
Bird Plans: Jays show foresight in breakfast menus
The strongest evidence yet that animals plan ahead may come from western scrub jays preparing for their morning meals.
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19796
In regards to the findings noted in this article, I find it hard to rule out an interpretation that would not require anything similar to planning. This could simply be pattern completion, similar to building a nest or bower. The animal is not necessarily planning, but simply filling in missing pieces. Robert FizzellBeloit, Wis.
- Health & Medicine
Virus Stopper: Herpes drug dampens HIV infection
An antiviral drug commonly taken for genital herpes seems to suppress HIV in people harboring both pathogens.
- Health & Medicine
Hurt-Knees Rx: Surgical method promotes ligament regeneration
A new artificial knee ligament that sparks regeneration of natural tissue could eventually make recovering from knee-repair surgery less painful and debilitating.
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Weight Matters: Big and little mouse pups become obese adults
Being either overnourished or undernourished before birth can alter gene activity, leading to obesity during adulthood.
- Astronomy
Alien Light: Taking the spectra of extrasolar planets
Astronomers have for the first time recorded the spectra of light emitted by two extrasolar planets.
- Health & Medicine
Inside job dissolves blood clot pronto
An experimental procedure that delivers a clot-busting drug directly to the brain can bring on a remarkable turnaround in some stroke patients.
