Mountaintop mining pollution has distinct chemical signatures

Three elements commonly found at elevated levels in an Appalachian river polluted by runoff from mountaintop coal mining have distinctive chemistries that can be traced back to their source, according to a Duke University-led ...

New weapon to thwart '€˜bushmeat' trade

A DNA method able of identifying exact species of primate 'bushmeat' that has been cooked for sale has been developed in a bid to cut illegal trading and better identify and protect those species most at risk.

Student engagement more complex, changeable than thought

A student who shows up on time for school and listens respectfully in class might appear fully engaged to outside observers, including teachers. But other measures of student engagement, including the student's emotional ...

Engineers monitor heart with paper-thin flexible 'skin'

(Phys.org) —Engineers combine layers of flexible materials into pressure sensors to create a wearable heart monitor thinner than a dollar bill. The skin-like device could one day provide doctors with a safer way to check ...

Oxygen-sensing microrobots

(Phys.org) —When the retina's supply of blood and oxygen runs low, physicians have to react quickly to preserve a patient's eyesight. But up until now there have been no methods sensitive enough to measure how well the ...

High speed cancer profiling

(Phys.org) —Identify the type of cancer for patients with breast cancer in a few minutes. This is the challenge that EPFL researchers successfully met by presenting their new "microfluidic chip." Their research is written ...

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