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Aidin Delnavaz demonstrates a new chin strap device that can harvest the energy of talking or chewing to create electricity. Photo credit: Aidin Delnavaz/Jérémie Voix

Chin strap device generates power from chewing

Researchers have created a device capable of harvesting the mechanical energy generated by chewing or talking. The device works via the piezoelectic effect, in which certain materials generate electricity when stretched or squeezed. In this case, the chin strap contains a strip of piezoelectric material made of electrodes that are embedded into plastic. Chewing gum […]

Got milk for your blood pressure?

Eating at least 2 portions of dairy products a day is linked to lower blood glucose and lower blood pressure according to a new study. Researchers asked a total of 254 healthy participants from the greater Quebec City metropolitan area to fill out a food frequency questionnaire and took blood samples from them. The study showed that […]

The skull of Richard III, discovered under a car park in 2012. New analysis of the monarch’s remains provide details about which of his many injuries sustained in battle were responsible for his death. (Photo credit: The Lancet)

What really killed Richard III?

Modern forensic techniques provide a blow-by-blow account of the injuries sustained by England’s Richard III over 500 years ago. The remains of the last English monarch to die in battle were discovered under a car park in 2012 and confirmed by DNA analysis in 2013. The latest paper provides detailed analysis of the 11 wounds […]

Better care coordination, fewer emergency visits

Patients with chronic conditions other than mental illness are less likely to be admitted to hospital if their care is co-ordinated, a metanalysis shows. This review of the literature also shows that among the elderly, such strategies decreased emergency department use by 31 per cent. Care coordination happens when physicians stop being the sole care provider, […]

A diagram of seven scenarios that may account for the presence of elevated methane gas levels in shallow aquifers. (Credit: Darrah et al.)

Tracing groundwater contamination above shale gas fields

A new study shows that methane leaks in drinking water wells around shale-gas wells in Pennsylvania and Texas come from failures in the integrity of gas well construction, and not from the drilling or hydraulic fracturing. The authors developed a new technique to look for the concentration of noble-gas isotopes in  drinking-water samples to determine […]

People watching the same movie, Alfred Hitchock’s “Bang! You're Dead!” for instance, will have synchronized brain activity in high-level frontal and parietal brain regions. (Artwork by Rhodri Cusack)

‘Vegetative’ patient follows the plot of an Hitchcock movie

Some patients thought to be in a vegetative state can have conscious experiences similar to healthy people, a new study shows. Researchers used fMRI to record the brain activity of 2 brain-injured patients and 12 healthy participants while they watched a 8-minute clip of an Alfred Hitchcock movie. One of the brain-injured patients, a man […]

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Genomics: the power & the promise – Early bird registration

Genome Canada and The Canada Gairdner International Awards are hosting a conference and gala dinner event exploring the theme “Genomics: the Power & the Promise“. The conference will explore how genomics has affected our daily lives, as well as the impacts of environmental factors on human health. Held at the Ottawa Convention Centre between November 24 – 26, 2014, the […]

The ecological reconstruction of Ikrandraco avatar. (Credit: Chuang Zhao)

New Pterosaur – Avatar style

Researchers have found deposits of a new species of pterosaur, a flying reptile that lived about 120 million years ago. This new species was named Ikrandraco avatar for it’s similarities to the ‘ikran’ flying creatures in the 2009 Avatar movie and to a dragon (draco). The fossils were found in Northeastern China. Original research paper published […]

How to have sex without hurting your back

  Contrary to popular belief, spooning is not always the best sex position for those with a bad back. Using infrared and electromagnetic motion capture systems – like those used in the creation of video games – scientists tracked how 10 couples’ spines moved when attempting five common sex positions. They found that sex positions that are […]

Cannabis impacts on teenagers

Daily users of cannabis before age 17 are over 60% less likely to complete high school or obtain a degree compared to those who have never used the drug, a new review of literature shows. The authors reviewed 290 reports on cannabis use in teenagers published since 2004. The authors conclude that adolescent cannabis use […]

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