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An inexpensive 'dipstick' test for pesticides in foods

Scientists in Canada are reporting the development of a fast, inexpensive "dipstick" test to identify small amounts of pesticides that may exist in foods and beverages. Their paper-strip test is more...

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Better analysis methods for vitamin D

U.S. Department of Agriculture (USDA) researchers with the Beltsville Human Nutrition Research Center in Beltsville, Md., design, develop and improve analytical methods for measuring nutritional...

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Identifying trace amounts of molecules

European researchers advanced the frontiers of chemical separation technology. The increased specificity and selectivity regarding identification of biologically relevant molecules should have...

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Got food allergies? Test your meal on the spot using a cell phone

(Phys.org)—Are you allergic to peanuts and worried there might be some in that cookie? Now you can find out using a rather unlikely source: your cell phone.

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New innovation in food safety testing

Foodborne diseases are a major cause of illness and death worldwide, so the need for reliable and rapid means for detecting deadly bacteria in food samples is important for the food industry.

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GAO investigators say DNA tests give bogus results

A government investigator told members of Congress on Thursday that personalized DNA tests claiming to predict certain inheritable diseases are misleading and offer little or no useful information.

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Tracking triclosan's field footprint

A study by U.S. Department of Agriculture (USDA) scientists and cooperators provides new details about how fertilizing soils with biosolids also introduces triclosan -- an antibacterial agent in soaps...

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Some land in Japan too radioactive to farm: study

Farmland in parts of Japan is no longer safe because of high levels of radiation in the soil, scientists have warned, as the country struggles to recover from the Fukushima atomic disaster.

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PCBs levels down in Norwegian polar bears

It's never been easy to be a polar bear. They may have to go months without eating. Their preferred food, seal, requires enormous luck and patience to catch. Add to that the melting of Arctic sea ice...

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Illustrated guides provide first ever view of zooplankton crucial to Arabian...

They may be tiny, but they are mighty. Known as the "insects of the sea," zooplankton may tell the tale about the disruptive effect of climate change on the delicate balance of life that exists in the...

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'Super rats' develop genetic immunity to standard poisons

A University of Huddersfield scientist has alerted the UK to the mounting problem of destructive "super rats" immune to conventional poison. His research has created nationwide interest, especially in...

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Combination of Gulf oil and dispersant spell potential trouble for gut microbes

A study to be published in mBio, the online open-access journal of the American Society for Microbiology, on Tuesday, October 23, examined whether crude oil from the 2010 Deepwater Horizon oil spill,...

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Antarctic sea ice thickness affects algae populations

In the waters off Antarctica, algae grow and live in the sea ice that surrounds the southern continent-a floating habitat sure to change as the planet warms. As with most aquatic ecosystems,...

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Researchers find 'bipolar' marine bacteria, refuting 'everything is...

In another blow to the "Everything is Everywhere" tenet of bacterial distribution in the ocean, scientists at the Marine Biological Laboratory (MBL) have found "bipolar" species of bacteria that occur...

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Sea-ice ecosystem possibly triggered evolution of baleen whales and penguins

The circum-Antarctic Southern Ocean is an important region for global marine food webs and carbon cycling because of sea-ice formation and its unique plankton ecosystem. The origin of its ecosystems...

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Reducing arsenic in food chain: Soil may harbor answer to reducing arsenic in...

Harsh Bais and Janine Sherrier of the University of Delaware's Department of Plant and Soil Sciences are studying whether a naturally occurring soil bacterium, referred to as UD1023 because it was...

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Atlantic research expedition uncovers vast methane-based ecosystem

A marine research expedition sponsored by the U.S. Bureau of Ocean Energy Management (BOEM) and the National Oceanic and Atmospheric Administration (NOAA) has led to the discovery of perhaps the...

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New study shows that Richard III suffered from roundworm infection

The body of Richard III, who ruled England from 1483—85, was discovered in 2012 by archaeologists at the University of Leicester, and scientists have since been undertaking careful analysis of the...

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Device speeds concentration step in food-pathogen detection

(Phys.org) —Researchers have developed a system that concentrates foodborne salmonella and other pathogens faster than conventional methods by using hollow thread-like fibers that filter out the cells,...

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3D printed soil reveals the world beneath our feet

Soil scientists at Abertay University are using 3D printing technology to find out, for the very first time, exactly what is going on in the world beneath our feet.

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Allotments yield food and healthy soil, study finds

Soils under Britain's allotments are significantly healthier than intensively farmed soils, researchers have found. This is the first study to show that by growing at small-scale in urban areas, it is...

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White bread helps boost some of the gut's 'good' microbes

White-bread lovers take heart. Scientists are now reporting that this much-maligned food seems to encourage the growth of some of our most helpful inhabitants—beneficial gut bacteria. In addition to...

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Study on farmers' markets shows presence of Salmonella and E. coli

Researchers in Chapman University's Food Science Program and their collaborators at University of Washington have just published a study on the presence of Salmonella and E. coli on certain herbs sold...

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A new piece in the 'French paradox' puzzle—cheese metabolism

Figuring out why the French have low cardiovascular disease rates despite a diet high in saturated fats has spurred research and many theories to account for this phenomenon known as the "French...

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Team develops new method for rapid authentication of edible oils and...

The Food Safety and Technology Research Centre under the Department of Applied Biology and Chemical Technology of The Hong Kong Polytechnic University (PolyU) has developed a new method for rapid...

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Fish-flavored cat food could contribute to feline hyperthyroidism

Over the past three decades, the number of cats diagnosed with hyperthyroidism has increased. According to research reports, many factors such as exposure to flame retardants could be responsible, and...

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Killer whales feast on salmon in summer

Salmon are the primary summer food source for an endangered population of killer whales in the Pacific Northwest, according to an analysis of fish DNA in killer whale poop published Jan. 6, 2016 in the...

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Fluorescent probes for rapid detection of formaldehyde in food

In recent years, formaldehyde has been discovered to be illegally used in food processing for bleaching and preservation purposes, arousing health concerns by the general public. PolyU's highly...

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