A tiny chip that mimics a circulatory system could be an invaluable tool in understanding the causes of cardiovascular disease and developing drug therapies.

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Patrick Faulkner, lead engineer at component supplier Accu, looks at how engineers are working with conservation organisations to help protect some of the world’s most vulnerable species.

A European consortium is attempting to develop a portable and affordable Braille device with tactile display that will give visually impaired users access to words and graphics.

Scientists report the development of a simple urine test for Type 2 diabetes, an advance that could mitigate the condition in areas where poverty limits the affordability of health care.