A blood sample does not have an obvious odor to a person in a lab coat. But to an electronic nose, it can carry a chemical signature that points toward disease.

The days of the company’s “don’t be evil” mantra are long gone. Switching away isn't as hard as you might think.

In the face of rising emissions from data centres, researchers are turning to micro-explosions in glass and the use of DNA to solve big data's big problem.