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Mystery in Biological News

Baylor researchers unravel mystery of DNA conformation

HOUSTON An iconic photograph ( http://img.timeinc.net/time/80days/images/530228.jpg ) of Nobel laureates Drs. Francis Crick and James Watson show the pair discussing with a rigid model of the famous double helix. The interaction represented produced the famous explanation of the structure of ...

Harvard scientists solve mystery about why HIV patients are more susceptible to TB infection

A team of Harvard scientists has taken an important first step toward the development of new treatments to help people with HIV battle Mycobacterium tuberculosis (TB) infection. In their report, appearing in the July 2009 print issue of the Journal of Leukocyte Biology ( http://www.jleukbio.or...

Scientists tackle the mystery of white-nose syndrome in bats

KNOXVILLE -- The mysterious disease that has killed more than 90 percent of wintering bats in some caves and mines from Vermont to Virginia during the last three years has raised numerous questions about the nature of the disease and how to control it. Leading experts in the fields of bat physi...

Scientists unravel the mystery of white-nose syndrome

KNOXVILLE -- The mysterious disease that has killed more than 90 percent of wintering bats in some caves and mines from Vermont to Virginia during the last three years has raised numerous questions about the nature of the disease and how to control it. Leading experts in the fields of bat physi...

Life secret exposed: Scientists unlock mystery of molecular machine

This release is available in French . Montreal, February 19, 2009 A major mystery about the origins of life has been resolved. According to a study published in the journal Nature , two Universit de Montral scientists have proposed a new theory for how a universal molecular machine, the ...

Biologists solve mystery of black wolves

Why do nearly half of North American wolves have black coats while European wolves are overwhelmingly gray or white? The surprising answer, according to teams of biologists and molecular geneticists from Stanford University, UCLA, Sweden, Canada and Italy, is that the black coats are the result of...

Fishdunnit! Mystery solved

VIRGINIA KEY, Fla. -- An international team of scientists has solved a mystery that has puzzled marine chemists for decades. They have discovered that fish contribute a significant fraction of the oceans' calcium carbonate production, which affects the delicate pH balance of seawater. The study gi...

MIT researchers explain mystery of gravity fingers

Researchers at MIT recently found an elegant solution to a sticky scientific problem in basic fluid mechanics: why water doesn't soak into soil at an even rate, but instead forms what look like fingers of fluid flowing downward. Scientists call these rivulets "gravity fingers," and the explana...

Yale researchers unravel mystery of brain aneurysms

Yale researchers have taken the first critical steps in unraveling the mysteries of brain aneurysms, the often fatal rupturing of blood vessels that afflicts 500,000 people worldwide each year and nearly killed Vice President-elect Joseph Biden two decades ago. An international team led by Mur...

Sophisticated monitoring array to address mystery of uranium plume

RICHLAND, Wash. Scientists have puzzled for years about why uranium contamination in groundwater continues to exceed drinking water standards in an area located at the south end of the Hanford Site. The Department of Energy wants answers to why the uranium persists. Now, an innovative system ...

Stem cells may solve mystery of early pregnancy breast cancer protection

The answer to why an early pregnancy seems to protect against breast cancer could rest with a decrease in stem cells found after animals have given birth, said researchers at Baylor College of Medicine in a report that appears in the current issue of the journal Stem Cell. Women who have chil...

Unlocking mystery of why dopamine freezes Parkinson's patients

CHICAGO -- Parkinson's disease and drug addiction are polar opposite diseases, but both depend upon dopamine in the brain. Parkinson's patients don't have enough of it; drug addicts get too much of it. Although the importance of dopamine in these disorders has been well known, the way it works has...

DNA study unlocks mystery to diverse traits in dogs

ROCKVILLE, MD, June 22, 2008 What makes a pointer point, a sheep dog herd, and a retriever retrieve? Why do Yorkshire terriers live longer than Great Danes? And how can a tiny Chihuahua possibly be related to a Great Dane? Dogs vary in size, shape, color, coat length and behavior more than...

The mystery of mass extinctions is no longer murky

If you are curious about Earth's periodic mass extinction events such as the sudden demise of the dinosaurs 65 million years ago, you might consider crashing asteroids and sky-darkening super volcanoes as culprits. But a new study, published June 15, 2008, in the journal Nature , suggests that...

Clue to mystery crustacean in parasite form

First identified in 1899, y-larvae have been one of the greatest zoological mysteries for over a century. No one has ever found an adult of these puzzling crustaceans, despite the plethora of these larvae in plankton, leading generations of marine zoologists to wonder just what y- larvae grow up t...

Bright lights: Mystery of glowing antibody solved by Scripps research scientists

Now, a group of Scripps Research scientists have shown that EP2-19G2, one of a panel of fluorescent monoclonal antibodies that were first reported in 2000, produces its distinctive bright blue glow through a rare and highly complex recombination of electrical charge. This charge recombination i...

Has the mystery of the Antarctic ice sheet been solved?

A team of scientists from Cardiff Universitys School of Earth and Ocean Sciences and Amgueddfa Cymru - National Museum Wales travelled to Africa to find new evidence of climate change which helps explain some of the mystery surrounding the appearance of the Antarctic ice sheet. Ice sheet forma...

Ancient mystery solved

Geologists at the University of Leicester have solved a puzzle found in rocks half a billion years old. Some of the most important fossil beds in the world are the Burgess Shales in the Canadian Rockies. Once an ancient sea bed, they were formed shortly after life suddenly became more complex ...

ASU professor helps solve mystery of glassy water

TEMPE, Ariz. -- Water has some amazing properties. It is the only natural substance found in all three states solid, liquid and gas within the range of natural Earth temperatures. Its solid form is less dense than its liquid form, which is why ice floats. It can absorb a great deal of heat witho...

Men shed light on the mystery of human longevity, study finds

It turns out that older men chasing younger women contributes to human longevity and the survival of the species, according to new findings by researchers at Stanford and the University of California-Santa Barbara. Evolutionary theory says that individuals should die of old age when their repro...

Folate mystery finally solved

Some biochemical processes, especially those in bacteria, have been so well studied its assumed that no discoveries are left to be made. Not so, it turns out, for Johns Hopkins researchers who have stumbled on the identity of an enzyme that had been a mystery for more than 30 years. The report app...

Scientists tackle mystery mountain illness

Experts at the University are studying an illness known as HAPE (high altitude pulmonary oedema), which causes fluid to build up in the lungs can and can occur from as low as 2,500 metres, affecting people of all age groups and fitness levels. Little is known about the condition and there is no...

Research team wins funds to unravel a DNA mystery

An international research team headed by two researchers from the University of Adelaide, Australia, has been awarded a US$900,000 grant to help unravel the phenomenon of "DNA looping". DNA looping is responsible for controlling the expression of genes in cells. It is believed to play a key ro...

Genetic sleuth solves glaucoma mystery

Dr. Michael Walter is one good gumshoe. The University of Alberta medical geneticist has cracked the case of WDR36, a gene linked to glaucoma. Glaucoma is a leading cause of blindness in which cells in the optic nerve die, preventing the brain from understanding what patients see. Scientists hav...

Fish guts explain marine carbon cycle mystery

Research published today reveals the major influence of fish on maintaining the delicate pH balance of our oceans, vital for the health of coral reefs and other marine life. The discovery, made by a team of scientists from the UK, US and Canada, could help solve a mystery that has puzzled marin...

Peering inside the skull of a mouse to solve meningitis mystery

NEW YORK, Dec. 22, 2008 NYU Langone Medical Center scientists and their collaborators at the Scripps Research Institute in La Jolla, Calif., have discovered an unexpected cause for the fatal seizures seen in mice with viral meningitis, an infection of the central nervous system, according to a st...

Researchers solve piece of large-scale gene silencing mystery

A team led by Craig Pikaard, Ph.D., WUSTL professor of biology in Arts & Sciences, has made a breakthrough in understanding the phenomenon of nucleolar dominance, the silencing of an entire parental set of ribosomal RNA genes in a hybrid plant or animal. Since the machinery involved in nucleo...

Deep heat solution to 500-million year mystery

Scientists from the universities of Leicester and Cambridge and from the British Geological Survey have published new research in the journal Geology this month (November) shedding new light on a 500-million year old mystery. The 500 million year-old fossils of the Burgess Shale in Canada, di...

Bee disease a mystery

Scientists are one step closer to understanding the recent demise of billions of honey bees after making an important discovery about the transmission of a common bee virus. Deformed wing virus (DWV) is passed between adult bees and to their developing brood by a parasitic mite called Varroa destr...

MIT solves gravity-defying bird beak mystery

CAMBRIDGE, Mass.--As Charles Darwin showed nearly 150 years ago, bird beaks are exquisitely adapted to the birds' feeding strategy. A team of MIT mathematicians and engineers has now explained exactly how some shorebirds use their long, thin beaks to defy gravity and transport food into their mout...

MIT-led teams unravel heparin death mystery

CAMBRIDGE, Mass.--An international team of researchers led by MIT has explained how contaminated batches of the blood-thinner heparin were able to slip past traditional safety screens and kill dozens of patients recently in the United States and Germany. The team, led by Professor Ram Sasisekha...

Ancient lemur's little finger poses mystery

Analysis of the first hand bones belonging to an ancient lemur has revealed a mysterious joint structure that has scientists puzzled. Pierre Lemelin, an assistant professor of anatomy at the University of Alberta in Edmonton, Canada, and a team of fellow American researchers have analyzed the f...

UCLA researchers solve decade-old mystery

Environmentally friendly hydrogen gas fueled vehicles can dramatically reduce greenhouse gas emissions and lessen the countrys dependence on sources of fossil fuel. Though several hydrogen vehicles exist on the market today, there is still much room for improvement in the way that hydrogen is stor...

480-million-year-old fossil sheds light on 150-year-old paleontological mystery

New Haven, Conn. Discovery of an exceptional fossil specimen in southeastern Morocco that preserves evidence of the animals soft tissues has solved a paleontological puzzle about the origins of an extinct group of bizarre slug-like animals with rows of mineralized armor plates on their backs, acc...

'Time-sharing' tropical birds key to evolutionary mystery

KINGSTON, ON Whereas most birds are sole proprietors of their nests, some tropical species time share together a discovery that helps clear up a 150-year-old evolutionary mystery, says Queens University Biology professor Vicki Friesen. The Queens-led international study confirms one of Char...

Cassini on the trail of a runaway mystery

Scientists are on the trail of Iapetus' mysterious dark side, which seems to be home to a bizarre 'runaway' process that is transporting vaporised water ice from the dark areas to the white areas of the Saturnian moon. This 'thermal segregation' model may explain many details of the moon's stra...

Magnetic snakes control fluids, gravity-defying droplets, and solving a dragonfly mystery

Magnetic Snakes Create Water Current M. Belkin, A. Snezhko, I.S. Aranson, and W.-K. Kwok Physical Review Letters (forthcoming) Physicists at Argonne National Laboratory have found that magnetic particles suspended in water and subjected to an alternating magnetic field will form snake-shape...

St. Jude study solves mystery of mammalian ears

Protein motor in cochlea hair cells dominates the process of sound amplification in the mammalian ear, while movement of the cilia atop those cells dominates the response in non-mammals A 30-year scientific debate over how specialized cells in the inner ear amplify sound in mammals appears to h...

Scientists unlock mystery of embryonic stem cell signaling pathway

A newly discovered small molecule called IQ-1 plays a key role in preventing embryonic stem cells from differentiating into one or more specific cell types, allowing them to instead continue growing and dividing indefinitely, according to research performed by a team of scientists who have recently...

Prehistoric mystery organism verified as giant fungus

Scientists at the University of Chicago and the National Museum of Natural History in Washington, D.C., have produced new evidence to finally resolve the mysterious identity of what they regard as one of the weirdest organisms that ever lived. Their chemical analysis indicates that the organism w...
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