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Coralline algae in the Mediterranean lost their tropical element between 5 and 7 million years ago

An international team of researchers has studied the coralline algae fossils that lived on the last coral reefs of the Mediterranean Sea between 7.24 and 5.3 million years ago. Mediterranean algae and coral reefs began to resemble present day reefs following the isolation of the Mediterranean from...

Long lost sisters

The human race was divided into two separate groups within Africa for as much as half of its existence, says a Tel Aviv University mathematician. Climate change, reduction in populations and harsh conditions may have caused and maintained the separation. Dr. Saharon Rosset, from the School of ...

For some who have lost their sense of smell, a once popular asthma drug could help

SAN DIEGO, CA -- Despite the fact that millions of Americans are believed to have lost their sense of smell (hyposmia), no effective method exists to treat many of these people. That is due in part to the fact that the causes of smell loss are varied and complex, ranging from chronic allergies, vi...

Study: diabetic neuropathy costs billions per year in lost work time

DANVILLE, PA. - Workers who have diabetes with neuropathic symptoms such as numbness or tingling in feet or hands lose the equivalent of 1.4 hours a week or $3.65 billion per year in health-related lost productive time, a recent study finds. The 1.4 hours lost was more than twice the amount of ...

Lost dogs found more often than lost cats, study suggests

A lost dog is more likely to be reunited with its owner than a lost cat, according to two new studies. In one city in southwestern Ohio , researchers found that 71 percent of lost dogs were found, compared to just 53 percent of lost cats. More than a third of the recovered dogs were found by ...

Bone marrow may restore cells lost in vision diseases

University of Florida scientists conducting experiments with mice have found evidence that the body naturally replenishes small amounts of cells in the eye essential for healthy vision. The finding may shatter the belief that a cell layer vital for eyesight called the retinal pigment epithelium, ...

How ancient whales lost their legs, got sleek and conquered the oceans

When ancient whales finally parted company with the last remnants of their legs about 35 million years ago, a relatively sudden genetic event may have crowned an eons-long shrinking process. An international group of scientists led by Hans Thewissen, Ph.D., a professor of anatomy at Northeastern ...

Laos ?a lost world for frogs

Frogs and lots of them are being discovered in the Southeast Asia nation of Lao PDR, according to the Bronx Zoo-based Wildlife Conservation Society, which says that six new frog species have been found by scientists over a two-year period. Working in conjunction with the WCS Laos Program, scient...

Program finds lost genes in nematode genome

A computer scientist at Washington University in St. Louis has applied software that he has developed to the genome of a worm and has found 150 genes that were missed by previous genome analysis methods. Moreover, using the software, he and his colleagues have developed predictions for the existenc...

Enzyme, lost in most mammals, is shown to protect against UV-induced skin cancer

In a finding that broadens our insight into the cause of certain kinds of UV-induced skin cancer, researchers at Erasmus University Medical Center (Rotterdam, The Netherlands) have employed an evolutionarily ancient enzyme-repair system to identify the principal type of DNA damage responsible for t...

UBC researchers find first-ever 'wanderlust gene' in tiny bony fish

...ed in the ocean but began populating freshwater lakes and streams following the last ice age. Over the past 15,000 years, freshwater sticklebacks have lost their bony lateral plates, or "armour," in these new environments. Scientists have identified a mutant form of a gene, or allele, that prohibits growt...

The way you eat may affect your risk for breast cancer

...these results may provide interest to more aggressively pursue cancer prevention studies related to calorie restriction. "Humans frequently regain lost weight discouraging the application of calorie restriction protocols for disease prevention," she said. "We hope these studies will identify biomarker...

Holding breath for several minutes elevates marker for brain damage

...n, noting that in six international competitions between 1998 and 2004, 10% of the contestants in the static apnea events were disqualified after they lost either motor control or consciousness. In this event, participants float face down on the water for as long as possible without coming up for air. The...

Restoring a natural root signal helps to fight a major corn pest

...ophyllene (EβC). One striking finding was that, after decades of breeding, most North American maize varieties no longer emitted EβC and had lost the ability to attract protective nematodes. Therefore the research group in Jena and Neuchtel teamed up again in an attempt to restore the Eβ...

New hope for fisheries

... "Across all regions we are still seeing a troubling trend of increasing stock collapse," adds Worm. "But this paper shows that our oceans are not a lost cause. The encouraging result is that exploitation rate the ultimate driver of depletion and collapse is decreasing in half of the ten systems we ex...

Global curbs on overfishing are beginning to work

...rding to Dr Worm, there is still a troubling trend of increasing stock collapse across all regions. "But this paper shows that our oceans are not a lost cause," Dr Worm says. "The encouraging result is that the exploitation rate the ultimate driver of depletion and collapse is decreasing in half o...

After dinosaurs, mammals rise but their genomes get smaller

...sted a bulge in age distribution of transposable elements in humans and mouse." Left enough time, Lynch says, transposable elements are eventually lost from the genome, sometimes by accident and sometimes, perhaps, as the result of natural selection against excess DNA. An LTR is far more likely to sur...

Results of national assessment of first responder location systems to be announced Aug. 3

...ress levels put them at risk of a heart attack. A 2008 report by the U.S. Fire Administration (USFA) identified stress or over-exhaustion and becoming lost or disoriented inside buildings as two of the top three leading causes of firefighter fatalities in 2007. This is the fourth year of the workshop, ...

Scripps-led study shows ocean health plays vital role in coral reef recovery

.... Coral bleaching occurs when the tiny zooxanthellae, living with the tissues of coral polyps, which are responsible for their vibrant colors, are lost and the coral turns white in color. The fast-recovering were corals collected from Turneffe Atoll, which is farther offshore than the main Beli...

Life on Earth came from other planets

...he microbes which first took root on Earth and whose ancestry can be traced back to the solar system of the parent star. Because the parent star lost 40 percent to 80 percent of its mass after it became a red giant (blown away by its solar winds) its gravitational influences were reduced. Therefore,...

International research team seeks to unravel flatworm regeneration

...o a few centimeters in length, live in freshwater and are the object of intense research, because they possess the extraordinary ability to regenerate lost tissue with the help of their stem cells (neoblasts) and even grow an entirely new worm out of minute amputated body parts. Now researchers from the M...

SF State professor honored by President Obama for science mentoring

...ty groups a chance to have exciting research opportunities. Because of Professor Bayliss' work, many students whose scientific talents would have been lost to our nation are now working on the frontiers of science." In addition to mentoring students, Bayliss and the SEO have been active in helping to i...

Seals quickly respond to gain and loss of habitat under climate change

...eturned there, but in much smaller numbers, when the new colony habitat was lost 7,000 years later. In order to understand how biodiversity is generated...nt seal populations responded when new breeding habitat was gained and then lost over the course of approximately 7,000 years. Professor Rus Hoelzel sai...

Protein can help cells or cause cancer, Purdue researcher finds

...s. "We're trying to understand how p53 is regulated. We want to keep p53 as normal as possible," Liu said. "In about 50 percent of cancers, p53 had lost its function, and there was too much Plk1. Since Plk1 is overexpressed in cancers, it is a cancer therapy target." Topors can also carry out a func...

Iron and biological production in the high-latitude North Atlantic

...trate remain unused." The central Iceland Basin receives little iron input from continental sources or from atmospheric dust, and some iron is also lost through detrital sinking. Moreover, the new findings suggest that iron brought to the surface during winter overturning is insufficient to support ma...

Battle of the sexes benefits offspring, says research

... for offspring is essential for their survival in many species, but it is also very costly in time and effort. Time spent bringing up your young means lost opportunities for remating and having more offspring, so parents face a trade-off between caring for current offspring and creating future offspring. ...

Clinical trial shows quadriplegics can operate powered wheelchair with tongue drive system

... more supportable if there were a failure of some component within the system. With the old tongue-touch keypad, if the system went down then the user lost all of the functions of the wheelchair, phone, computer and environmental control," explained Anschutz. "Ghovanloo's approach should be much more repa...

Pacific Northwest forests could store more carbon, help address greenhouse issues

...t very old ages," said Beverly Law, a professor of forest science at OSU. "The forests west of the Cascade Range are also wetter and less likely to be lost to fire. We suspected these forests might provide more opportunity for carbon storage than has been recognized, and these data support that." Many ...

Anti-biotech groups obstruct forest biotechnology

...versity, Carnegie Mellon University and other institutions in an article in the journal Nature Biotechnology . Lacking that, the potential will be lost to use this powerful tool to create trees that grow faster, better resist drought or disease, restore threatened species, reduce costs, contribute to ...

Ovarian transplantation: First baby is born after a new technique

... Amsterdam, The Netherlands: A new technique for transplanting the ovaries of women who have lost their fertility as a result of cancer treatment was outlined to the 25th annual conference of the European Society of Human Reproduction and Embryolog...

Ovarian transplantation: New technique gives greatly improved results in this delicate operation

... Amsterdam, The Netherlands: Ultra-fast freezing of ovarian tissue from women who have lost their fertility as a result of cancer treatment can lead to it being used in transplants with the same success rate as fresh tissue, a researcher told...

Reading the brain without poking it

...ers, he adds. The electrodes would send speech signals to a computer that would covert the thoughts to audible words. For people who have lost a limb or are paralyzed, "this device should allow a high level of control over a prosthetic limb or computer interface," Greger says. "It will enable...

NYC science symposium marks Gruber Prize program 10th anniversary

...and recipient of the Max Planck Research Prize, whose work may eventually make possible the replacement or enhancement of brain and spinal cord tissue lost or damaged due to neurodegenerative disease or trauma, will speak on "Brain Plasticity and Diversity." Dr. Solomon Snyder, professor in the Depart...

3 to 6 months to lose weight gained in pregnancy is normal

...wing baby. Her body needs to take on more fluid to support the extra circulation the placenta and baby need. Some of this added weight will usually be lost as soon as the baby is born. "Often, the extra effort women have to make to look after a new baby and breastfeed after giving birth means the kilos ju...

Tips from the journals of the American Society for Microbiology

...ns (HK/483 and HK/486). These two viruses generally exhibit high and low lethality in mice. Results showed that INF-a/β receptor-deficient mice lost significantly more weight and were faster to succumb to death than wild-type mice. Both the HK/483 and H/K 486 virus caused a similar systemic infect...

One of the Largest Wendy's(R) Franchisees, Tar Heel Capital, Reduces Fraud and Slashes Costs with DigitalPersona

...ity Standard (PCI DSS) mandate. Furthermore, the need to frequently replace lost or forgotten swipe cards was time consuming, disrupted the flow of business...urant franchisees like Tar Heel Capital combat employee fraud and recapture lost margins without over-extending their IT budget." About DigitalPersona...

Study highlights massive imbalances in global fertilizer use

...tistics. "Nutrient additions to many fields [in China] far exceed those in the United States and northern Europe--and much of the excess fertilizer is lost to the environment, degrading both air and water quality," the authors wrote. Co-author F.S. Zhang of China Agriculture University and collea...

Antibiotics take toll on beneficial microbes in gut

...ith refractory antibiotic-associated diarrhea due to C. difficile , there have been limited trials of treatments using "fecal transplants" to replace lost gut microbiota. Although this is a pretty unpalatable treatment at first glance, the clinical response was quite remarkable, Young says. Implicat...

Beaked, bird-like dinosaur tells story of finger evolution

... dinosaurs suggest that the outer two fingers were lost during the course of evolution and the inner three...y, embryos of living birds suggest that birds have lost one finger from the outside and one from the insid...ansitional condition in which the inner finger was lost and the other fingers took on the shape of the fin...

Research uncovers clues to virus-cancer link

...posi's sarcoma patients and found that specific miRNA biomarkers accurately identify stages of tumor progression. They found that certain miRNAs were lost as the tumors progressed, effectively accelerating the cancer's growth. More aggressive tumor stages expressed higher levels of KSHV miRNA. In sec...
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