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Researchers at a breast cancer prevention clinic in Manchester have observed an increased uptake of preventative double mastectomies since May 2013, when Angelina Jolie announced that she had undergone the procedure.  

Researchers from the Genesis Prevention Centre Family History clinic report that the number of preventative double mastectomies performed after consultation at the clinic more than doubled from January 2014 to June 2015, with 83 procedures performed during this period, compared to 29 between January 2011 and June 2012.  

Montreal, November 24, 2015 -- As world leaders prepare to gather in France for the 2015 United Nations Conference on Climate Change next week, global warming -- and how to stop it -- is a hot topic.

To limit climate change, experts say that we need to reach carbon neutrality by the end of this century at the latest. To achieve that goal, our dependence on fossil fuels must be reversed. But what energy source will take its place? Researchers from Concordia University in Montreal just might have the answer: algae.

The journey for volcanic rocks found on many volcanic islands began deep within the Earth.

Brought to the Earth's surface in eruptions of deep volcanic material, these rocks hold clues as to what is going on deep beneath Earth's surface.

Studies of rocks found on certain volcanic islands, known as ocean island basalts, revealed that although these erupted rocks originate from Earth's interior, they are not the same chemically.

A "dinosaur" fossil originally discovered on Prince Edward Island has been shown to have steak knife-like teeth, and researchers from U of T Mississauga, Carleton University and the Royal Ontario Museum have changed its name to Dimetrodon borealis, marking the first occurrence of a Dimetrodon fossil in Canada. 
Fossils of Dimetrodon have now been found in the USA, Canada and Germany.

In comparison to other organs, the human brain has the highest energy requirements. Nerve cells cover their high energy demand with glucose and lactate and a new report shows for the first time in the intact mouse brain evidence for an exchange of lactate between different brain cells. 

The intensity of earth's magnetic field has been weakening in the last couple of hundred years, leading some to claim that its polarity might be about to flip.

But the field's intensity is coming down from an abnormal high rather than approaching a reversal. And despite Doomsday prophecies stating otherwise, humans have lived through dips in the field's intensity before. Linking reversals in the more distant past to species extinctions is just speculation that can't be proved or disproved, which makes them ideal fodder for scary stories about nature.