You have a burning chest pain and a doctor looks at a squiggly-lined graph to determine the cause. That graph, an electrocardiogram (ECG or EKG), can help the doctor decide whether you're having a heart attack or an acid attack from last night's spaghetti. Correct interpretation may prompt life-saving, emergency measures; incorrect interpretation may delay care with life-threatening consequences. Currently, there is no uniform way to teach doctors in training how to interpret an ECG or assess their competence in the interpretation.

The 5,300 year old human mummy dubbed Öetzi (or ‘the Tyrolean Iceman’)  is highly unlikely to have modern day relatives, according to new research published today by a team of scientists from Italy and the UK.

They have sequenced Öetzi’s entire mitochondrial DNA (mtDNA) genome, which is passed down through the maternal line, and found that he belonged to a genetic lineage that is either extremely rare or has died out.

The research has generated the oldest complete Homo sapiens mtDNA genome to date, and overturns previous research conducted in 1994 on a small section of Öetzi’s mtDNA, which suggested that relatives of Öetzi may still exist in Europe.

Can't get enough of The Beatles?   Two days ago we disclosed that a mathematician using Fourier transform had unlocked the secret of the 'mystery' chord in "A Hard Day's Night" and now The Beatles are back again - in a video game.

Apple Corps, along with EMI Music, Harrisongs Ltd, and Sony/ATV Music Publishing, have agreed to present The Beatles music in an interactive video game format, to be published by MTV Games and developed by Harmonix.

Normal-weight women who carry out lots of vigorous exercise are approximately 30% less likely to develop breast cancer than those who don't exercise vigorously, according to a study of more than thirty thousand postmenopausal American women reported in Breast Cancer Research.  So a sedentary lifestyle can be a risk factor for the disease – even in women who are not overweight.

A "living fossil" tree species is helping a University of Michigan researcher understand how tropical forests responded to past climate change and how they may react to global warming in the future, according to research in the November issue of  Evolution.

Symphonia globulifera is a widespread tropical tree with a history that goes back some 45 million years in Africa, said Christopher Dick, an assistant professor of ecology and evolutionary biology who is lead author on the paper. It is unusual among tropical trees in having a well-studied fossil record, partly because the oil industry uses its distinctive pollen fossils as a stratigraphic tool. 

Scientists have long been on the hunt for evidence of antimatter, matter's arch nemesis and a staple of science fiction in the last century, that might be left over from the very early Universe.  But the latest  results using data from NASA's Chandra X-ray Observatory and Compton Gamma Ray Observatory suggest the search is not going to get any easier.

Antimatter would be made up of elementary particles, each of which has the same mass as their corresponding matter counterparts --protons, neutrons and electrons -- but the opposite charges and magnetic properties. When matter and antimatter particles collide, theory says they annihilate each other and produce energy according to Einstein's famous equation, E=mc2.