Uncategorized
- Health & Medicine
Marijuana ingredient slows artery hardening
Low doses of the chemical that causes marijuana's high can slow the progression of atherosclerosis.
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It boggles my mind that someone paid for a study of the benefits of petroleum-based fuel in Africa when a superior, lower-cost solution is already available. For the cost of the study, solar cookers might have been provided to several thousand families, protecting the health of those families and saving them the time and expense […]
- Humans
Change of fuel could extend lives in Africa
By switching from biofuels such as wood and charcoal to kerosene or other fossil fuels, people in many parts of Africa could significantly trim indoor air pollution, thereby delaying millions of premature deaths from pulmonary disease over the next 25 years.
- Health & Medicine
Surgical risk from painkiller may be brief
A new study suggests that patients might safely use painkillers such as ibuprofen up to 24 hours before surgery.
- Materials Science
Shape shifter
Scientists have created a polymer that, after being deformed, will revert to its original shape when exposed to ultraviolet light.
- Ecosystems
Decades of Dinner
Sunken whale carcasses support unique marine ecosystems that display stages of succession and change, just as land ecosystems do.
- Tech
Radio-a-Wreck
Radio transmitters broadcasting from imploding buildings are informing engineers about how such collapses disrupt radio communications and how rescuers might overcome those disruptions.
- Math
Works in Progress
Studying math in school doesn't often give you a sense of what mathematical research is about.
- Humans
Letters from the April 30, 2005, issue of Science News
Supplemental information Vitamin E Loses Luster: Nutrient tests show disappointing results” (SN: 3/19/05, p. 182) is the fourth time I’ve seen a report that vitamin E may not be appropriate for elderly people at cardiac risk. Detailed statistics are always given, but one fact is always omitted: what type of vitamin E was used in […]
- Humans
From the April 27, 1935, issue
An artificial lightning bolt, predicting life spans, and a new, nonmagnetic ship.
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Whale Songs
Listen to the songs of whales and the sounds of the ocean near Maui, Hawaii. The Whalesong Project is the effort of a group of volunteers to bring attention to the beauty of oceans and the wonder of whales and dolphins. Go to: http://www.whalesong.net/
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Goal-Oriented Brain Cells: Neurons may track action as a prelude to empathy
Nerve cells located toward the back of a monkey's brain appear to assist in discerning the goals of specific actions.
