Uncategorized
- Chemistry
Making a Little Progress
Scientists are using nanotechnology to develop new strategies for diagnosing and treating cancer.
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- Humans
Misleading Numbers
The “Number Watch” Web site focuses on “misleading” numbers that appear in the media and are often used to promote specific causes, as compiled by retired engineering professor John Brignell of the University of Southampton. Brignell also offers online resources on statistics and statistics education. The FAQ section includes answers to such questions as “Is […]
- Planetary Science
Mining the moon
New ultraviolet images of the moon help identify the presence of ilmenite, a titanium oxide whose elemental constituents may be a valuable resource for sustaining humans as they explore the lunar surface.
- Materials Science
Slim and Sturdy Solar Cells: Nanocrystals offer path to electricity
Researchers have crafted an ultrathin solar cell out of inorganic nanocrystals that have several of the advantages of plastic but avoid some of its shortcomings.
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19605
This article describes an inorganic solar cell prototype utilizing two types of cadmium nanocrystals. Do we really need to aim toward mass-producing more items that contain cadmium? This heavy metal is a toxin and carcinogen that is known for fast uptake in plants and buildup in animals’ fat. Risks associated with such a solar cell’s […]
- Animals
Great Galloping Crinoids: Lilylike sea animal takes a brisk walk
A sea creature called a stalked crinoid may look as motionless as a flower on a stem but a video has revealed it practically jogging across the ocean floor. Video.
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Early Stress in Rats Bites Memory Later On: Inadequate care to young animals delivers delayed hit to the brain
The stress of receiving poor maternal care for a short period after birth comes back to haunt rats by stimulating memory losses and related brain disturbances in middle age.
- Health & Medicine
Weight-Loss Costs: A critical look at gastric surgery
Obese people who opt for weight-loss surgery incur increased odds of subsequent hospitalization and, in some groups, a substantial risk of death.
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Macho Makeover: Fish rapidly ascend social ladder
Some male fish can upgrade their social status, and their appearance, in a matter of minutes.
- Tech
Bionic Bacteria: Gold nanoparticles make gadgets of living microbes
Researchers have created an electromechanical device out of living microbes.
