New mobile health tool measures hemoglobin without drawing blood

Researchers have developed a way to use smartphone images of a person's eyelids to assess blood hemoglobin levels. The ability to perform one of the most common clinical lab tests without a blood draw could help reduce the ...

'Demon oil' on the defensive over climate change

At the dawn of an era scientists have dubbed the Anthropocene, driven by human impact on the planet, the energy industry's four-yearly gathering was forced onto the defensive on climate change.

Fresh look at mysterious Nasca lines in Peru

A scientific approach has re-identified huge birds etched into the desert plains of southern Peru around 2,000 years ago. The birds appear to be exotic to the region, and further studies could help explain their significance. ...

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