Nanosensor Arrays 'Smell' Cancer

(PhysOrg.com) -- In 2006 researchers established that dogs could detect cancer by sniffing the exhaled breath of cancer patients. Now, using nanoscale arrays of detectors, two groups of investigators have shown that a compact ...

Genes drive aging, making normal processes damaging

Ageing in worms mainly results from the direct action of genes and not from random wear and tear or loss of function, and the same is likely to be true in humans, according to research by UCL, Lancaster University and Queen ...

Wood-burning stoves - harmful or safe?

Wood-burning stoves are a popular source of heating in many countries. However in recent years there has been much debate about the potential negative health effects associated with wood smoke. A Norwegian researcher has ...

Delhi's air as dirty as ever despite some reforms

(AP) -- A decade ago, plans for a metro and clean-fuel buses were hailed as New Delhi's answer to pollution. But air in the Indian capital is as dirty as ever - partly because breakneck development has brought skyrocketing ...

Detecting walking speed with wireless signals

We've long known that breathing, blood pressure, body temperature and pulse provide an important window into the complexities of human health. But a growing body of research suggests that another vital sign - how fast you ...

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