Degrees of learning in the genes

From ABC News in Science, 31 May 2013: It’s not quite the ‘smart gene’ but researchers have identified a small number of genetic markers associated with educational attainment. A genome-wide association study using genetic data from more than 100,000 individuals found three genetic markers that were significantly linked to an individual’s numbers of years of Continue reading Degrees of learning in the genes

Late 20th century hottest in over 1000 years

From ABC News in Science, 22 April 2013: Average temperatures around the world in the last thirty years of the 20th century were higher than any other time in nearly 1400 years. That’s the conclusion of the first climate reconstruction to examine global climate change from a regional perspective by an international network of climatologists Continue reading Late 20th century hottest in over 1000 years

It’s official: penis size does matter

From ABC News in Science, 9 April 2013: After aeons of speculation, science has finally answered the biggest question of all – Does penis size matter? – with a resounding ‘yes’. Australian researchers have found that penis size is just as important as height when it comes to female assessment of male attractiveness, and that Continue reading It’s official: penis size does matter

Alzheimer’s culprit may be ‘innocent’

From ABC News in Science, 4 April 2013: Amyloid proteins may have been wrongfully accused as the culprits behind Alzheimer’s disease, new research in mice suggests. Two studies – one Australian, one from the US – have examined the role amyloid proteins play in the brain with one study suggesting that far from being a Continue reading Alzheimer’s culprit may be ‘innocent’

Heart disease a 4000-year old ‘serial killer’

From ABC News in Science, 11 March 2013: The diseased arteries of ancient mummies are challenging modern assumptions about the causes of cardiovascular disease. Whole-body CT scans of 137 mummies from different countries, cultures and lifestyles spanning 4000 years of history has found evidence of hardened arteries in at least one-third of the mummies. The Continue reading Heart disease a 4000-year old ‘serial killer’

Tooth decay bacteria evolved as diet changed

From ABC Science, News in Science, February 18, 2013: Mesolithic hunter-gatherers living on a meat-dominated, grain-free diet had much healthier mouths that we have today, with almost no cavities and gum disease-associated bacteria, a genetic study of ancient dental plaque has revealed. The international team of researchers, led by a group at the Australian Centre Continue reading Tooth decay bacteria evolved as diet changed

Asthma drug treats diabetes in obese mice

From ABC Science, News in Science, 11 February 2013: A drug used to treat asthma and mouth ulcers has shown promise in reducing the risk of type 2 diabetes in obesity, according to a study in mice. Researchers found that obese mice treated with the drug amlexanox not only lost a significant amount of weight, Continue reading Asthma drug treats diabetes in obese mice

Men contribute more than sperm to pregnancy

From ABC Science Online, News in Science, 28 November: Men may contribute far more to a successful pregnancy than just sperm, with evidence suggesting seminal fluid primes a woman’s immune system to be more receptive to the foetus. Researchers from the University of Adelaide have found a mechanism that may explain why women who have Continue reading Men contribute more than sperm to pregnancy