Mass Extinction Current Events | Mass Extinction News | 11
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More muscle for the argument to give up smoking
Researchers at The University of Nottingham have got more bad news for smokers. Not only does it cause cancer, heart attacks and strokes but smokers will also lose more muscle mass in old age than a non-smoker. view more (2007-07-10)
Size of brain structure could signal vulnerability to anxiety disorders
The size of a particular structure in the brain may be associated with the ability to recover emotionally from traumatic events. A new study by researchers from Massachusetts General Hospital (MGH) finds that an area called the ventromedial prefrontal cortex is thicker in volunteers who appear better able to modify their anxious response to... view more... (2005-07-12)
Global task force to save the albatross wins backing of The Prince of Wales
The Prince of Wales and record-breaking sailor, Ellen MacArthur, are together to trumpet global efforts to save one of the world's most endangered yet iconic birds. view more (2005-04-26)
Erratic Black Hole Regulates Itself
New results from NASA's Chandra X-ray Observatory have made a major advance in explaining how a special class of black holes may shut off the high-speed jets they produce. These results suggest that these black holes have a mechanism for regulating the rate at which they grow. view more (2009-03-26)
New global bird map suggests 'hotspots' not a simple key to conservation
The first full map of where the world's birds live reveals their diversity 'hotspots' and will help to focus conservation efforts, according to research published in Nature today (18 August). view more (2005-08-18)
XMM-Newton uncovers a celestial Rosetta stone
ESA's XMM-Newton orbiting X-ray telescope has uncovered a celestial Rosetta stone: the first close-up of a white dwarf star, circling a companion star, that could explode into a particular kind of supernova in a few million years. view more (2009-09-04)
Increasing evidence that osteoporosis begins in the womb
Recent evidence to suggest that osteoporosis has its origins in the womb will be presented by leading expert, Professor Cyrus Cooper, when he speaks at a symposium on osteoporosis at FOAD 2003, the Second World Congress on the Fetal Origins of Adult Diseases (FOAD), which takes place at the Brighton Conference Centre next month (7 - 10 June).... view more... (2003-05-22)
Study links obesity to elevated risk of ovarian cancer
A new epidemiological study has found that among women who have never used menopausal hormone therapy, obese women are at an increased risk of developing ovarian cancer compared with women of normal weight. view more (2009-01-05)
Killer algae a key player in mass extinctions
Supervolcanoes and cosmic impacts get all the terrible glory for causing mass extinctions, but a new theory suggests lowly algae may be the killer behind the world's great species annihilations. view more (2009-10-20)
All species are not created equal when assessing the impacts of species loss on ecosystems
Numerous studies have shown that when species are randomly lost from communities, ecosystem function declines. But such patterns of species loss do not reflect those in natural communities where major drivers of change, such as stress and disturbance, cause preferential loss of rare and uncommon species. In the June issue of Ecology Letters, Smith... view more... (2003-05-22)
Possible dinosaur burrows clues to survival strategies
Internationally renowned palaeontologist and Monash University Honorary Research Associate, Dr Anthony Martin has found evidence of a dinosaur burrow along the coast of Victoria, which helps to explain how dinosaurs protected themselves from climate extremes during the Cretaceous period - the final era for dinosaurs before their extinction. view more (2009-07-16)
A Very Massive Stellar Black Hole in the Milky Way Galaxy
VLT ISAAC Uncovers an Enigmatic Microquasar view more (2001-11-27)
Researchers identify new brain pathway for regulating weight and bone mass
Contrary to the prevailing view, the hormone leptin, which is critical for normal food intake and metabolism, appears to regulate bone mass and suppress appetite by acting mainly through serotonin pathways in the brain. view more (2009-09-24)
Young stars in chaos
It is not only teenagers who like to congregate in intimate groups and disturb their neighbours and surroundings. As Matthew Bate (University of Exeter), will be explaining to the UK National Astronomy Meeting in Bristol on Friday 12 April, young stars also like to hang around in crowds and undergo chaotic close encounters with each other during... view more... (2002-04-04)
Global warming increases species extinctions worldwide
Global warming has already caused extinctions in the most sensitive habitats and will continue to cause more species to go extinct over the next 50 to 100 years, confirms the most comprehensive study since 2003 on the effects of climate change on wild species worldwide by a University of Texas at Austin biologist. view more (2006-11-15)
New modeling study forecasts disappearance of existing climate zones
A new climate modeling study forecasts the complete disappearance of several existing climates in tropical highlands and regions near the poles, while large swaths of the tropics and subtropics may develop new climates unlike any seen today. view more (2007-03-28)
New study with lean pork reveals protein's power to preserve lean body mass during weight loss
Reducing daily caloric intake is typically the first approach that dieters take to shed those unwanted pounds. view more (2007-02-13)
Testosterone supplementation for older men appears to have limited benefit
Older men with low testosterone levels who received testosterone supplementation increased lean body mass and decreased body fat, but were no stronger and had no improvement in mobility or cognition compared with men who did not use the supplement, according to a study in the January 2 issue of JAMA. view more (2008-01-02)
Help Students Think like Soil Scientists
Emphasizing cross-disciplinary concepts in teaching soil science courses, such as mass-volume relationships, can help undergraduates learn real-world, problem-solving skills that are crucial to their success in soil science careers. view more (2009-09-29)
Waist-hip ratio should replace body mass index as indicator of mortality risk in older people
Older people with high waist-hip ratios (WHRs) have a higher mortality risk than those with a high body mass index, or BMI, a new study reveals. view more (2006-08-08)
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