ScienceDaily Top Science Headlines
for Tuesday, June 26, 2012
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Math formula leads researchers to source of pollution (June 25, 2012) -- The leaking of environmentally damaging pollutants into our waters and atmosphere could soon be counteracted by a simple mathematical algorithm, according to researchers. ... > full story
Genetic heart diseases may be responsible for unexplained stillbirths (June 25, 2012) -- Genetic researchers have made an important step towards resolving the mystery of the causes of intrauterine fetal demise (IUFD), or stillbirth, where a baby dies in the womb after the 14th week of gestation. IUFD is responsible for 60% of perinatal mortality and occurs in about one in every two hundred pregnancies in Europe. Up to half of these stillbirths are unexplained. Now scientists have found that up to 8% of these unexplained deaths may be caused by specific genetic heart conditions. ... > full story
Eating garbage: Bacteria for bioremediation (June 25, 2012) -- A 150-foot-high garbage dump in Colombia, South America, may have new life as a public park. Researchers have demonstrated that bacteria found in the dump can be used to neutralize the contaminants in the soil. ... > full story
Statins appear associated with reduced risk of recurrent cardiovascular events in men, women (June 25, 2012) -- Cholesterol-lowering statin drugs appear to be associated with reduced risk of recurrent cardiovascular events in men and women, but do not appear to be associated with reduced all-cause mortality or stroke in women, according to a new report. ... > full story
Ozone exposure linked to potential heart attacks (June 25, 2012) -- Young, healthy adult volunteers exposed for two hours to ozone developed physiological changes associated with cardiovascular ailments, according to a small study. ... > full story
Greenland ice may exaggerate magnitude of 13,000-year-old deep freeze (June 25, 2012) -- Ice samples pulled from nearly a mile below the surface of Greenland glaciers have long served as a historical thermometer, adding temperature data to studies of the local conditions up to the Northern Hemisphere’s climate. But the method — comparing the ratio of oxygen isotopes buried as snow fell over millennia — may not be such a straightforward indicator of air temperature. ... > full story
Scientists struggle with mathematical details, study by biologists finds (June 25, 2012) -- Many people remember struggling with maths at school, but few of us would expect that professional scientists suffer from a similar problem in their daily work. A new study shows that scientists tend to overlook their colleagues' research if it is packed full of mathematical equations. ... > full story
Biological switch paves way for improved biofuel production (June 25, 2012) -- A mechanism that controls the way organisms breathe or photosynthesize has been discovered by scientists. The research could pave the way for improved biofuel production. ... > full story
Treating vitamin D deficiency may improve depression (June 25, 2012) -- Women with moderate to severe depression had substantial improvement in their symptoms of depression after they received treatment for their vitamin D deficiency, a new study finds. ... > full story
Thinking about choice diminishes concern for wealth inequality (June 25, 2012) -- Against the backdrop of a worldwide recession, wealth inequality has become a prominent theme in discussions about politics and the economy. In opinion polls, many Americans seem to support a more equal distribution of wealth. But they often vote against measures that would narrow the gap between those with the highest and lowest incomes. In a new study, psychological scientists examine whether the concept of choice might help to explain Americans' contradictory opinions on wealth. ... > full story
Smallest and largest fetuses at greater risk of being stillborn, research finds (June 25, 2012) -- The tiniest and the heaviest fetuses are at much higher risk of being stillborn than those of average weight, new research has found. ... > full story
Low vitamin D levels linked to weight gain in some older women (June 25, 2012) -- Older women with insufficient levels of Vitamin D gained more weight than those with sufficient levels of the vitamin, according to a new study. The study of more than 4,600 women ages 65 and older found that over nearly five years, those with insufficient levels of Vitamin D in their blood gained about two pounds more than those with adequate levels of the vitamin. ... > full story
New hormonal gel combination shows promise as reversible birth control for men (June 25, 2012) -- Male hormonal contraceptives applied daily to the skin reduce sperm production, finds a new study. Very low sperm counts resulted for about 89 percent of men using a new combination of hormones, the authors reported. They combined a transdermal (skin) gel containing the male hormone testosterone and a gel containing a new synthetic progestin called Nestorone. ... > full story
Experimental drug helps diabetes patients lose weight (June 25, 2012) -- An experimental drug helped significantly more overweight patients with diabetes shed pounds, compared with placebo, a new study finds. ... > full story
'Dessert with breakfast diet' helps avoid weight regain by reducing cravings (June 25, 2012) -- Dieters have less hunger and cravings throughout the day and are better able to keep off lost weight if they eat a carbohydrate-rich, protein-packed breakfast that includes dessert. ... > full story
Ratio of appetite-regulating hormones marker of successful dieters (June 25, 2012) -- A pre-diet measurement of two hormones related to weight regulation can help predict which dieters will be more likely to maintain their weight loss and who will not, according to a new study. ... > full story
Secondhand smoke is linked to type 2 diabetes and obesity (June 25, 2012) -- Adults who are exposed to secondhand smoke have higher rates of obesity and Type 2 diabetes than do nonsmokers without environmental exposure to tobacco smoke, a new study shows. ... > full story
Experimental insulin drug prevents low blood sugar (June 25, 2012) -- An experimental insulin drug prevented low blood sugar among diabetic patients more often than a popular drug on the market, a new study finds. ... > full story
Overweight men can boost low testosterone levels by losing weight (June 25, 2012) -- Weight loss can reduce the prevalence of low testosterone levels in overweight, middle-aged men with prediabetes by almost 50 percent, a new study finds. ... > full story
Gut hormone receptor in brain is key to gastric emptying rate; may help prevent obesity (June 25, 2012) -- Researchers have discovered how a hormone in the gut slows the rate at which the stomach empties and thus suppresses hunger and food intake. ... > full story
Browsing internet sites without the hurdles (June 25, 2012) -- The majority of websites have major shortcomings. Unclean programming frequently causes excessive load times. Companies are only gradually recognizing the advantages of a barrier-free Internet. Researchers are crafting tools that can be used to monitor compliance with web standards. ... > full story
Type 2 diabetes, cured by weight loss surgery, returns in one-fifth of patients (June 25, 2012) -- A new study shows that although gastric bypass surgery reverses Type 2 diabetes in a large percentage of obese patients, the disease recurs in about 21 percent of them within three to five years. ... > full story
Diet, exercise or both? What obese older adults need to do to reduce cardiometabolic risk (June 25, 2012) -- Obese older adults can reduce their chance of developing the metabolic syndrome by losing weight through dieting alone, but adding exercise to a weight loss program has even more benefit, a new study finds. The results show that a combination of diet-induced weight loss and frequent exercise almost doubled the improvement in insulin sensitivity compared with dieting alone. ... > full story
Timing of menopause symptoms relates to risk markers for heart disease, stroke (June 25, 2012) -- The hot flashes and night sweats that most women experience early in menopause are not linked to increased levels of cardiovascular disease risk markers unless the symptoms persist or start many years after menopause begins. ... > full story
Full-term children conceived with fertility drugs are shorter than their peers (June 25, 2012) -- Among children born full term, those conceived with the help of fertility drugs are slightly shorter than naturally conceived children but overall are physically healthy, a new study finds. ... > full story
Fungicide used on farm crops linked to insulin resistance (June 25, 2012) -- A fungicide used on farm crops can induce insulin resistance, a new tissue-culture study finds, providing another piece of evidence linking environmental pollutants to diabetes. ... > full story
Do you always have room for dessert? Blame ghrelin, study authors say (June 25, 2012) -- A new study suggests that the appetite-inducing hormone ghrelin increases the incentive for humans to eat high-calorie foods, even on a full stomach. ... > full story
Binge eating improves with deep brain stimulation surgery (June 25, 2012) -- Deep brain stimulation reduces binge eating in mice, suggesting that this surgery, which is approved for treatment of certain neurologic and psychiatric disorders, may also be an effective therapy for obesity. ... > full story
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