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Tag: "exist" at biology news

New study finds genetically engineered crops could play a role in sustainable agriculture

...to human health and biodiversity, but few analyses exist that reveal the actual effects genetically modified plants have on other non-modified species. In an analysis of 42 field experiments, scientists found that this particular modification, which causes the plant to produce an insecticide internally, c...

New collaborative research reveals chimpanzees can sustain multiple-tradition cultures

...ltiple-tradition cultures many researchers believe exist in the wild, providing further evidence chimpanzees and humans shared a common ancestor five to six million years ago who had a similar level of cultural complexity. For years, primatologists have suggested different communities of chimpanzees acr...

Researchers examine carbon capture and storage to combat global warming

... emissions were sequestered, enough capacity would exist to accommodate more than 100 years' worth of emissions, according to Benson, coordinating lead author of the IPCC chapter on underground geological storage. With fossil fuels already comprising 85 percent of the world's energy consumption, and the...

Small, self-controlled planes combine plant pathology and engineering

...omous UAVs appears to be a bacterium known only to exist in a cavern in Arizona,” he said. “What was that bacterium doing 100 meters above Kentland Farm" In many of our other samples, we have found organisms that have never been cultured before. Some of these microbes may thrive only in the atmosphere, and...

Warning from Asian bees

...e months, it is unknown how many more swarms might exist and how far afield they may have flown. Within a one kilometre radius from the first colony, disturbed in the mast of a yacht undergoing repairs after two years docked at a wharf in Cairns, three more swarms were found and the search widened. A...

UI anthropologist, colleagues discover remains of earliest giant panda

...ue bears -– the only bear species that is known to exist wholly on a vegetarian diet,” says Ciochon. “The evolution of this unique dietary specialization probably took millions of years to refine. Our new discovery shows the great time depth of this unique bamboo-eating specialization in pandas. Thus, pand...

Adult stem cells from human cord umbilical cord blood successfully engineered to make insulin

...er, known as SSEA-4 that was previously thought to exist only in embryonic cells. They also found that, just as embryonic cells have been shown to do, these adult stem cells produced both C-peptide, a part of the insulin precursor protein, and insulin itself. Confirming the presence of the C-peptide was es...

Philandering female felines forgo fidelity

... leader. “In fact, we now know many of the fathers exist outside the park and study area. This is a finding which gives us a critical insight into cheetah ecology and one that merits inclusion into future conservation efforts for the species.” The nine-year study, which was conducted in the Serengeti Na...

How to look at dinosaur tracks

...eservation. For example, dinosaur tracks may still exist as true tracks, that is, the original prints left in the ground by the dinosaur. True tracks preserve many of the anatomical details of the foot, such as number of digits and impressions of claws. However, the true tracks may be filled with sedim...

Hearts of male and female rainbow trout are different

... differences in cardiac performance and metabolism exist in rainbow trout. These differences occur at a you... differences in cardiac performance and metabolism exist in fish in general, and have now been found to occur in rainbow trout in particular. Moreover, the d...

Implanting dopamine generators in brain cells obtains improvement in Parkinson's in monkeys

...n increase of the dopaminergic cells (that usually exist in the normal brain but in lower quantities). Amongst these trophic factors is the GNDF (Glial Cell-derived Neurotrophic Factor). Cells extracted from the carotid body have been used as a source for dopaminergic cells in the treatment of Parkinson...

Study warns deep-sea mining may pose serious threat to fragile marine ecosystems

...y of these vent communities showed that life could exist on thermal and chemical energy. Since oceans have ...1970s, and interest grew in manganese nodules that exist on the surface of the ocean floor. However, high projected costs and the regulatory restrictions on ...

Do fruit flies have free will?

Free will and true spontaneity exist ?in fruit flies. This is what scientists report in a groundbreaking study in the May 16, 2007 issue of the open-access journal PLoS ONE. "Animals and especially insects are usually seen as complex robots which only respond to external stimuli," says...

Rare soft-shell turtle, nesting ground found in Cambodia

...s (110 pounds). Only a few records of the species exist for Laos, and it appears to have disappeared across much of its former range in Vietnam and Thailand. It is currently classified as Endangered on the IUCN Red List of Threatened Species, the same status as tigers and pandas. Threats to its existen...

Discovery of new cave millipedes casts light on Arizona cave ecology

...haracterizing their habitats to determine how they exist in the nutrient-starved cave environment. Voyles is also the cave resource management lead for Grand Canyon-Parashant National Monument. His work has led to the development of cave resource management plans and the ultimate protection of numerous ...

Whiteflies and plant viruses can help each other to speed up biological invasion

...esearchers believe that this kind of mutualism may exist in many circumstances and should receive more attention in the research and management of biological invasions. ...

Scientists see DNA get 'sunburned' for the first time

... DNA structure, and the kinds of arrangements that exist at the moment DNA absorbs light." ...

Study shows isolation of stem cells may lead to a treatment for hearing loss

...sibility that self-supporting hair cell precursors exist in or can be derived from the postnatal mammalian cochlea. Currently there are no clinical treatments to repair these hair cells vital to normal hearing. In the United States, 30% of people over the age of 65 have a handicapping hearing loss an...

Mine runoff continues to provide clues to microbial diversification

...uest to learn more about how bacterial communities exist in nature. A letter published in today’s online e... bacterial clades, or ‘cousins,?that are likely to exist in natural environments. “This also might have implications into helping study human proteomics b...

Penn researchers show how nanocylinders deliver medicine better than nanospheres

...es are so effective. "Cylindrical delivery systems exist in nature, with two prime examples being the Ebola virus and the H5N1 Influenza virus," says Discher. "These findings can help us understand how this shape evolved in nature and the advantages of using it for treating people." ...

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