Washington

Radical plan calls for placing giant tubes in ocean to combat global warming

Washington, Sept 27 : A team of two British scientists have conceptualised a radical plan that calls for placing giant pumps in the ocean to pump up cold, nutrient-rich water from deep below, encouraging surface algae to bloom and suck carbon dioxide from the atmosphere.

James Lovelock and Chris Rapley claim that such climate engineering solutions might be the only way to hold global warming at bay given its current progress.

Experimental drug shrinks tumours in kidney cancer patients

Washington, Sept 27: Experimental drug axitinib has been found to have potential to bring respite to patients with advanced kidney cancer, whose options run out after their tumour fails to respond to the cutting edge therapy.

The study, led by Dr Brian I. Rini an associate professor of medicine at the Cleveland Clinic Taussig Cancer Institute in Cleveland, Ohio, USA, and a paid member of the Pfizer scientific advisory board, demonstrated that the drug shrank tumours, and delayed the disease’s progression.

Kicking the bottle reduces cancer risk

Washington, September 27 : People who drink can significantly reduce their likelihood of suffering from cancers of head and neck by quitting alcohol consumption, a research at the Centre for Addiction and Mental Health (CAMH) has suggested.

Principal Investigator Dr. Jurgen Rehm says that his study has shown an association between alcohol consumption and an increased risk for cancer of the oesophagus, larynx and oral cavity.

Plants may help uncover why people respond differently to prescription drugs

Washington, September 27 : Researchers at the University of California, Riverside say that plants can be used to study why prescription medications work successfully to cure an ailment in some people, while the same dose of the same drug can cause an adverse reaction in others.

“The genetics behind variable drug responses is not peculiar to humans but exists also in other branches on the tree of life,” Nature Chemical Biology quoted Sean Cutler, an assistant professor of plant cell biology at UC Riverside, as saying.

Acupuncture doesn’t offer relief from radiotherapy-induced nausea: Study

Washington, Sept 27 : Though cancer patients and health specialists believe that acupuncture offers relief from radiotherapy-induced nausea, a new study has revealed that it does not.

The study analysed the effectiveness of acupuncture in 215 patients with various type of cancers.

The patients were given either active acupuncture or a sham treatment that involved an identical looking and feeling needle that retracted into the handle on contact with the skin.

New molecular target found to reduce clotting without excessive bleeding

Washington, Sept 27: According to a new study a new molecular target in blood clot formation has been found which may help to reduce clotting without any excessive bleeding.

unveils a new molecular target for anti-platelet drugs, which may avoid the dangerous side-effects of the current drugs."

The study, led by Shafi Kuchay and Dr. Athar Chishti, was made at the University of Illinois at Chicago College of Medicine.

Global warming affecting North America’s northernmost lake

Washington, Sept 27 : Global warming is affecting North America’s northernmost lake, a new study by an international research team of climatologists led by the Université Laval’s Center for Northern Studies, has revealed.

The team led by Warwick Vincent and Reinhard Pienitz reported in their study in the Sept. 28 issue of Geophysical Research Letters that aquatic life in Ward Hunt Lake has undergone major transformations within the last two centuries.

New drug holds hope for cancer patients

Washington, Sept 27 : American researchers have developed a new drug, that when administered along with chemotherapy, shows promise in treating advanced melanoma, delaying the progression of cancer and prolonging the lives of patients.

The new drug, STA-4783, is the first in a new class called oxidative stress inducers.

C-difficile, inflammatory bowel disease combo quadruples death risk

Washington, Sept 27 : A new research has revealed that patients with both Clostridium difficile infection (C-difficile) and inflammatory bowel disease (IBD) like Crohn’s disease or ulcerative colitis, are four times more likely to die than patients with just IBD or C difficile infection.

Clostridium difficile infection is the main cause of diarrhoea among patients, and in recent years, the numbers of new cases of the infection have been steadily increasing.

Borneo caves provide clues to climate change over last 25,000 years

Washington, Sept 27 : A study of caves of the tropical Pacific island of Borneo has helped scientists understand how the Earth’s climate suddenly changed several times over the last 25,000 years.

Georgia Tech Asst. Prof. Kim Cobb and graduate student Jud Partin analyzed stalagmites, pillar-like rock formations that stem from the ground in caves, to produce a high-resolution and continuous record of the climate over the equatorial rainforest.

Large amounts of caffeine while on acetaminophen may damage liver

Washington, Sept 27 : A preliminary laboratory study has revealed that consuming large amounts of caffeine while taking acetaminophen, one of the most widely used painkillers, could potentially cause liver damage.

The toxic interaction could occur not only from drinking caffeinated beverages while taking the painkiller, but also from using large amounts of medications that intentionally combine caffeine and acetaminophen for the treatment of migraine headaches, menstrual discomfort and other conditions, the researchers reveal.

Scientists reveal how adhesive protein causes malaria

Washington, Sept 26 : Researchers at the Swedish medical university Karolinska Institutet (KI) and the Swedish Institute for Infectious Disease Control (SMI) say that they have identified specific parts of the adhesive protein produced by the malaria parasite, which can lead to the development of a vaccine for the disease in future.

Led by Professor Mats Wahlgren at the Department of Microbiology, Tumour and Cell Biology at KI, a team of researchers studied the adhesive protein PfEMP1 in children with severe malaria.

Eating fruits and veggies doesn’t decrease colon cancer risk

Washington, Sept 26 A new study has found that eating fruits and vegetables has no strong association with decreased colon cancer risk.

Several studies have examined the relationship between colon cancer and fruit and vegetable intake, but the results have not been consistent.

New multi-focal lenses may help restore vision to cataract patients

Washington, September 26 : An ophthalmologist at Weill Cornell Medical College has said that restoring vision to cataract patients may be possible by implanting them with the newly developed multi-focal lenses.

“There are no alternatives to surgery, but there are new advances to the restoration process. We have lenses that will allow you to see at a distance as well as read without glasses. There are lenses that can correct astigmatisms. The options have become much-improved in the past couple of years,” said Dr. Calvin Roberts.

Study reveals how plants use their own network to chat

Washington, Sept 26 : Researchers from the Netherlands Organisation for Scientific Research (NWO) have found in a new study how plants use their own communication system to warn each other of impending danger.

Herbal plants such as strawberry, clover, reed and ground elder naturally form networks.

Individual plants remain connected with each other for a certain period of time by means of runners.

These connections, very similar to computer networks, enable the plants to share information with each other via internal channels.

Migratory birds 'see' magnetic field during flights, reveals study

Washington, Sept 26 : Ornithologists from Oldenburg in Germany have found that the cryptochrome-containing neurons in the eye and a forebrain region (Cluster N), of migratory birds become active when processing magnetic compass information during flights.

Cryptochromes, which fulfil the molecular requirements for sensing the magnetic reference direction, has recently been found in retinal neurons of migratory birds.

Scientists find how the zebrafish gets his stripe

Washington, September 26 : Scientists have identified an important molecule that helps the zebrafish develop one of its four stripes of pigment cells.

The researchers said that that their study focused on a particular zebrafish mutant called choker, which is distinctive because one of the four stripes running down its side is missing, and it has a dark collar around its neck instead.

Online game ‘Anti-Phishing Phil’ trains people to identify Internet scams

Washington, Sept 26 : Computer scientists of Carnegie Mellon University have developed an interactive, online game featuring a little fish named Phil that can teach people how to better recognize and avoid email "phishing" and other Internet scams.

Urban birds have developed coping mechanisms to survive in cities: Study

Washington, Sept 26 : Birds that hang out in large urban areas have adapted to survive in a much larger range of conditions than their rural counterparts, a new study by researchers from the University of Washington has found.

And not only do they survive, but as the researchers found out, they also thrive.

This, the researchers say, is a sign that urban birds have developed coping mechanisms that rural birds might not have.

Hormone system that regulates food intake also increases stress

Washington, Sept 26 : A new study has found that a hormone system that regulates food intake makes people eat less by increasing stress-related behaviours.

The study conducted by Vaishali Bakshi and Ned Kalin, professors in the Department of Psychiatry at the University of Wisconsin-Madison School of Medicine and Public Health said that the system has attracted interest for its role in regulating food intake as it is mediated by a hormone receptor protein known as the corticotropin-releasing factor type 2 (CRF2) receptor.




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