Uncategorized
- Archaeology
Stone Age Combustion: Fire use proposed at ancient Israeli site
A Stone Age site in Israel contains the oldest evidence of controlled fire use in Asia or Europe, from around 750,000 years ago, a research team reports.
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In this article Rus Hoelzel states, “One thing I want to make clear is that I think whale watching is a good thing.” He then states that the activity may just need “tighter regulations.” I feel that this argument isn’t valid. If whale watching is causing danger to the species, then it’s not good. Whales […]
- Animals
Din among the Orcas: Are whale watchers making too much noise?
Whale-watching boats may be making so much noise that killer whales off the coast of Washington have to change their calls to communicate over the racket.
- Tech
Injectable Medibots: Programmable DNA could diagnose and treat cancer
Researchers have created a miniature DNA computer that can detect cancer genes in a test tube and respond by releasing a drug.
- Health & Medicine
Exercise boosts sugar’s taste
Studies in runners and in animals indicate that exercise increases an individual's sensitivity to sweetness.
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SIDS trigger? It’s too darn hot
Overheating, as might occur if a baby were swaddled in a warm room, might predispose some babies to prolonged breathing lapses and sudden infant death syndrome, animal experiments indicate.
- Health & Medicine
Proteins mark ALS
Scientists reported finding what appears to be the first diagnostic test for Lou Gehrig's disease, potentially shaving a year off of when targeted treatment for the disease can begin.
- Humans
From the April 28, 1934, issue
An ancient crocodile, how loudness affects pitch, and observing the sun's corona.
- Humans
Messing Around with Music
San Francisco’s Exploratorium offers an entertaining, multimedia excursion into the science of music. Visit a virtual kitchen to sample some appliance sounds. Use video of a step dancer to compose music. Discover how various cultures around the world create musical instruments out of everyday objects. Try out a sound mixer and much more. Go to: […]
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Body’s sweet move can protect heart
Animal studies suggest that the body attempts to protect itself from heart attacks during brief periods of oxygen deprivation by temporarily modifying heart-muscle proteins.
- Health & Medicine
Experimental drug boosts HDL counts
An experimental drug can dramatically increase blood concentrations of high-density lipoprotein, the beneficial cholesterol.
- Earth
Hurricanes churn up life-nurturing brews
Images of the North Atlantic taken from orbit suggest that hurricanes churn the ocean's surface enough to bring cool, nutrient-rich waters to the surface, thereby stimulating algal blooms that can last for weeks.
