Tuesday, 12 December 2017

Urban Air Pollution Negates Health Benefits Of A Long Walk On City Streets

Urban Air Pollution Negates Health Benefits Of A Long Walk On City Streets

Air pollution on city streets can wipe out the beneficial health effects of exercise for people aged 60 and older, according to a new study led by scientists at Duke University and Imperial College London. Short-term exposure to traffic exhaust in built-up areas like New York City’s Broadway or Chicago’s Michigan Avenue can cancel out the positive effects a two-hour walk would otherwise have on the hearts and lungs of these older adults, according to the findings, published Tuesday in medical journal The Lancet.

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Monday, 11 December 2017

Free online psychology & neuroscience courses.

Free online psychology & neuroscience courses.

Get free psychology courses online from the world's leading universities. You can download these audio & video courses straight to your computer or mp3 player. For more online courses, visit our complete collection of free courses.

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The 'utopian' currency Bitcoin is a potentially catastrophic energy guzzler

The 'utopian' currency Bitcoin is a potentially catastrophic energy guzzler

Bitcoin has been viewed as a liberating path out of the corporate monetary system. But the process of 'mining' the cryptocurrency is a massive energy drain - and potential environmental disaster.

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Canadian-backed company's biotech breakthrough: tiny, beating hearts made from stem cells

Canadian-backed company's biotech breakthrough: tiny, beating hearts made from stem cells

Beating rhythmically and suspended in a jar, tiny heart-like structures made from stem cells are the latest innovation for drug testing — technology that has the potential to save pharmaceutical companies money. They're developed by Canadian-backed biotech firm Novoheart Ltd., which hopes to revolutionize how drugs make it to market.

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Astronomers to Check Mysterious Interstellar Object for Signs of Technology

Astronomers to Check Mysterious Interstellar Object for Signs of Technology

Russian billionaire Yuri Milner says if the space rock 'Oumuamua is giving off radio signals, his team will be able to detect them—and they may get the results within days. 

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Scientists trace 2002 Sars virus to colony of cave-dwelling bats in China

Scientists trace 2002 Sars virus to colony of cave-dwelling bats in China

Scientists have pinpointed a population of virus-infected bats, which they have linked to the mysterious outbreak of Sars disease 15 years ago. Hundreds died as the virus spread around the globe but its source was never traced.

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Excitement as trial shows Huntington's drug could slow progress of disease

Excitement as trial shows Huntington's drug could slow progress of disease

Hailed as ‘enormously significant’, results in groundbreaking trial are first time a drug has been shown to suppress effects of Huntington’s genetic mutation

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