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Certain Dry Foods Are Good Past Their Best-before Date, Food Scientists Say
Some low-moisture foods such as dried apples can be safe to eat even years after their expiration date, if properly stored, food chemists say. They verified this in a tasting experiment of ... > more -
A Vacuum Alternative to Pesticides for Microbiology Solution
A physical chemist has developed a new technique for ridding harvested produce of insect pests and microorganisms without using pesticides such as methyl bromide. The technique, called Metabolic ... > more -
Computer Scientists Develop Portable Evidence-Gathering Tool
Investigators on a crime scene can now use a new tool for collecting chemical or biological samples. The sampler gun collects samples on a cotton pad -- eliminating direct contact with anything ... > more -
Sniffing Dog Provides Cost-Effective Contamination Detection
America's only dog that's trained to sniff mercury is able to detect as little as a half-gram, and is faster and cheaper than traditional lab analysis. Dogs' olfactory membranes are larger and 44 ... > more -
Food Chemists Find that Milk Pushes Air to Break Crystallized Sugar
Food scientists have discovered why Rice Krispies make their characteristic sound when soaked in milk. Rice Krispies contain lots of sugar and are cooked at high temperature, which makes the sugar ... > more -
With New Antibiotics, Pediatricians Fight Proxy War on Bugs
Strep throat has become harder to fight using penicillin or amoxicillin, but that's not because the Streptococci have developed a resistance to those drugs. Instead, more than 50 percent of children ... > more -
Energy and the Environment
Renewable Energy
Energy Technology
Petroleum
Environmental Science
Extreme Survival
Biological Engineers Generate Natural Gas with Bacteria
A new kind of waste digester uses two different strains of bacteria in different tanks. This would normally take place in the same environment, but microbiologists have now separated it into two ... > more -
Are Bioluminescent Bacteria Behind Milky Seas Legend?
For centuries, sailors in the Indian Ocean have told stories of seas glowing with a dim, white light at night. Satellite images have now confirmed the appearance of what seem to be bioluminescent ... > more -
Horticulture Engineers Take Years to Carefully Grow Bulbs
Of the 1,700 varieties of tulips, about 80 percent come from Holland, which exports more than $700 million's worth of tulips per year. Tulip bulbs take up to five years to fully form, and require ... > more -
Exhibit Delves into Science of Taste and Smell
An exhibit at San Francisco's Exploratorium explains the science of cooking and eating, and in particular how we taste food. Our sense of taste comes from a combination of smell receptors in the nose ... > more
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