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Tag: "millions" at biology news

The insect vector always bites twice

..., sleeping sickness and so on lead to the death of millions of people in the world. African countries are particularly strongly hit. The expansion of Dengue fever and the recent epidemics of Chikungunya and West Nile disease illustrate the trend. The pathogens responsible for these diseases can be viruses, b...

Research team identifies new Alzheimer's gene

...ting the presence of GAB2, and may ultimately help millions of individuals reach a more informed decision regarding the most appropriate type and timing of treatment,” said Dr. Chris Heward, President of Kronos Science Laboratory. Until recently, researchers lacked the technology to examine the genetic com...

Caribbean frogs started with a single, ancient voyage on a raft from South America

...owed land-dwelling animals to disperse freely over millions of years, the fauna of any one continent is usually a composite of many types of animals." Yellow and black spotted frog from caves in Haiti. Eleutherodactylus counouspeus . The field work for the study required nearly three decades to com...

Researchers examine carbon capture and storage to combat global warming

...ently, three industrial-scale projects are pumping millions of tons of carbon dioxide into the ground every year. Two of them represent the first efforts at storage in deep saline aquifers. A Stanford team also has begun researching storage of carbon dioxide in deep coal beds. In coal, chemical bonds form ...

Exploring the dark matter of the genome

...omeres, adding up to hundreds of thousands or even millions of bases in length. In these "seas" of satellite DNA there are "islands" of moderate-length repeats totaling only tens or hundreds of kilobases, made up of transposons or fragments of transposons. In other regions of heterochromatin, the transpos...

UCF nanoparticle offers promise for treating glaucoma

...n eye disease that can cause blindness and affects millions of people worldwide. “The nanoparticle can safely get past the blood-brain barrier making it an effective non-toxic tool for drug delivery,” said Sudipta Seal, an engineering professor with appointments in UCF’s Advanced Materials Processing and Ana...

UI anthropologist, colleagues discover remains of earliest giant panda

...the giant panda has remained largely unchanged for millions of years. Ciochon says that the skull --, about...f this unique dietary specialization probably took millions of years to refine. Our new discovery shows the great time depth of this unique bamboo-eating specia...

Turn-ons and turn-offs for neurons

...ime we think and experience, touch, smell or fear, millions of neurons in our brain becomes active. These nerve cells communicate with each other by chemical and electrical impulses to compute incoming sensory information and integrate it via distinct brain regions. With 20,000 - 25,000 genes in our genome, m...

Male circumcision overstated as prevention tool against AIDS

... exceeding 25% of the adult population and tens of millions dying from the disease on the continent. Talbott’s new study suggests that the reason is that Africa as a whole has four times as many prostitutes as the rest of the word and they are more than four times as infected. Some southern Africa countries h...

Ancient retrovirus sheds light on modern pandemic

...etroviruses have been entering the genome for many millions of years, and so humans share many retroviral DNA ..."However, while TRIM5a may have served humans well millions of years ago, the antiviral protein does not seem to be good at defending against any of the retrovi...

How plague-causing bacteria disarm host defense

...arro said. "But Yersinia has maintained YpkA over millions of years, so it must be doing something important." The researchers speculate that YpkA plays an important role in disabling the body's immune system beyond its previously known role of disrupting the host cell's normal structure, which interferes w...

Avian influenza survivors' antibodies effective at neutralising H5N1 strain

...N1 influenza virus has caused disease and death in millions of poultry across the globe and occasionally has been transmitted to humans, often fatally. By mid-May 2007, according to the World Health Organization, there had been 306 known cases in humans, 185 of them fatal. Now, doctors based at the Hospit...

For many insects, winter survival is in the genes

...obacco hornworm. Collectively, these species cause millions of dollars of damage annually. Hsp70 was active while all of the insects were in diapause. When Denlinger's team knocked out the Hsp70 gene that makes the heat-shock protein, the insects were unable to survive at a low temperature (in this case...

Puzzling plankton yield secrets to role in evolution/global photosynthesis

...r, France. "This active absorption of hundreds of millions of tons of carbon per day is essential for maintaining the control of the planet’s climate by counteracting greenhouse effects due to human activities. Clearly, this storage capacity is affected by changes in the photosynthetic efficiency of the alga...

A cherry on top: Tart cherries may alter heart/diabetes factors

...ates of heart disease and Type 2 diabetes. Tens of millions of Americans have metabolic syndrome; most don't know it. The researchers say the correlation between cherry intake and significant changes in metabolic measurements suggest a positive effect from the high concentrations of antioxidant compounds c...

Amphibians in losing race with environmental change

... the ability to evolve and survive for hundreds of millions of years - since before the time of the dinosaurs ...fail and go extinct. The systems developed over millions of years to give amphibians survival advantages have now turned against them, scientists say. Exampl...

New knowledge improves rice quality

...launched to try to boost the income of the world’s millions of poor rice farmers and at the same time provide consumers with more nutritious, better tasting food. New scientific knowledge is allowing rice researchers to develop better quality rice varieties that could fetch a higher price from consumers, esp...

UQ research heralds vaccine technology breakthrough

...tre director Professor Robert Tindle said RSV cost millions of dollars a year in health care in Australia and billions in the United States. It can lead to severe and lifethreatening lower respiratory tract infection or bronchiolitis. About one in 1000 die from the illness. However, the vaccine that is bein...

Diminishing dinosaur steps saved by laser and laptop

...f face, the surface the dinosaurs travelled across millions of years ago would have been flat. The School of Earth, Atmospheric and Environmental Sciences was the first academic department in the country to acquire the RIEGL scanning equipment. Only one other department in the UK can boast such equipmen...

World's leading scientists announce creation of 'Encyclopedia of Life'

... named. It will expedite the classification of the millions of species yet to be discovered and catalogued as ...entific literature, will scan and digitize tens of millions of pages of the scientific literature that will offer open access to detailed knowledge. In fact, t...

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