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Tag: "food" at biology news

Birth rate, competition are major players in hominid extinctions

...eeds, tubers and bones. While it had a variety of food sources, they all required the crunching, grinding...d these opportunists to take advantage of whatever food was available. But culture did not seem to help the Neandertal. Tremendously successful from about...

Cancer researchers add spice to research against rare neuromuscular disease

...tly modified from the original ingredient found in food like curry or ginger," said Chang, a faculty member in the departments of Urology and Pathology and the James P. Wilmot Cancer Center. "It still must be tested in people. We certainly don't want to mislead people to think these foods themselves have ...

Scientists unlock secret of what makes plants flower

... to translate research into practical benefits for food crops. The ability to control flowering is of enormous commercial significance across food and non-food species, for example extending production seasons or designing plants better adapted to...

Flavanols in cocoa may offer benefits to the brain

...d said. “This raises the possibility that certain food components like cocoa flavanols may be beneficial in increasing brain blood flow and enhancing brain function among older adults or for others in situations where they may be cognitively impaired, such as fatigue or sleep deprivation.?/p> Norman...

Termites get the vibe on what tastes good

...that termites can tell what sort of material their food is made of, without having to actually touch it. T...loration of their ability to differentiate between food sources" by Mr RA Inta, Professor JCS Lai, Mr EW Fu and Dr T Evans (doi: 10.1098/rsif.2007.0223)). ...

Long-lived deep-sea fishes imperiled by technology, overfishing

...s. Deep-sea fishes grow slowly because of limited food sources and slower metabolisms and many don't reac...etely dark, very near freezing and has very little food ?reasons for the fishes' slow growth and low productivity. "Old fish don't necessarily need to br...

Biologists produce global map of plant biodiversity

...t services to humans—such as ornaments, structure, food and bio-molecules that can be used for the development of drugs or alternative fuels—that increase in value with their richness," says Jetz, an assistant professor of biology at UCSD and the senior author of the paper. "Tropical countries such as Ecu...

Twenty of world's 162 grouper species threatened with extinction

...are the basis of the multimillion-dollar live reef food fish trade based in Hong Kong and comprise one of ...ows that over-fishing could decimate another major food and economic resource for humans, similar to the loss of the cod stocks off New England and Canada t...

Living with water scarcity -- world must act now

...d human resources it is possible to produce enough food for the future ?but it is probable that today's food production and environmental trends will lead to crises in many parts of the world" says David Molde...

Mother knows best: Plant knowledge key to childhood health in remote Amazon

...rything from managing their environment to getting food and preventing and curing disease, explained Reyes-García. "However, globalization threatens this knowledge to the extent that formal schooling and jobs in emerging markets devalue folk knowledge and provide access to products not made from local res...

Bumblebee house warming -- it takes a village

...general, larger bumblebee workers are foragers for food and they could be committed to that task. This ki...umblebees are important pollinators of a number of food crops including blueberries, cranberries, huckleberries and greenhouse-grown tomatoes, peppers and e...

Whitefly spreads emerging plant viruses

...omically damaging insects to agriculture, spanning food and fiber crops, and certain nursery grown ornamen... continue to emerge and cause damaging diseases in food and fiber crops," Brown said. Early virus and vector detection, information about their distribu...

Boosting brain power -- with chocolate

...ral blood flow raises the possibility that certain food ingredients may be beneficial in increasing brain blood flow and enhancing brain function, in situations where individuals are cognitively impaired such as fatigue, sleep deprivation, or possibly ageing." He emphasised that the level of cocoa flav...

Turtles are loyal in feeding as well as in breeding

...rtles are territorial or are responding to limited food resources by sticking to their own feeding patches. 'There are estimated to be as few as 300 female green turtles breeding annually in the Mediterranean,' continued Dr Broderick. 'This new information is timely and our research findings strengthe...

Meeting the ethanol challenge: Scientists use supercomputer to target cellulose bottleneck

..., and consumers worldwide are feeling the pinch as food prices climb. A far better source is to produce ethanol from cellulose, easing pressure on foo d supplies and yielding greater greenhouse gas benefits. The fibrous part that makes up the bulk of plants, cellulose is the cheapest and most abundant...

Birds found to plan for the future

...hat western scrub-jays are able to plan for future food shortages by caching food. The birds are shown to have learned from their previous experiences of food scarcity, storing food for future use in places where they anticipate future slim pickings. The rese...

Meat and two neutrons -- the key to a longer life

...ife. Scientists have shown for the first time that food enriched with natural isotopes builds bodily compo...e profound.' Isotopes could also be used in pet food or as a means to protect workers or soldiers from radiation. Deuterium, a natural isotope of hydroge...

Organic is healthier: Kiwis prove that green is good

...ive health benefits of organic versus conventional food has raged for years, with UK environment secretary...act.? According to the Soil Association, organic food sales in the UK increased by 30% to £1.6bn in 2006. The world market for certified organic foods was...

Study finds mercury prevalent in many western fish

...important factors "were where the fish were in the food web, and their ages," Herlihy said. "The older a fish is, the larger it is, and the more fish that it eats, the more likely it is to bioaccumulate mercury." Mercury levels of 0.1 micrograms per gram of tissue are considered a threshold of concern ...

Ocean's 'twilight zone' may be a key to understanding climate change

...king particles, often called "marine snow," supply food to organisms deeper down, including bacteria that decompose the particles. In the process, carbon is converted back into dissolved organic and inorganic forms that are re-circulated and reused in the twilight zone and that can make their way to the s...

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