Signs of burnout can be detected in sweat

EPFL engineers, working in association with startup Xsensio, have developed a wearable system that can continually measure the concentration of cortisol—the stress hormone—in human sweat. Their device can eventually help ...

Where does untreated wastewater go in developing countries?

To limit the spread of disease and reduce environmental pollution, human waste (excreta) needs to be safely contained and effectively treated. Yet 4.2 billion people, more than half of the world's population, lack access ...

Sustainability in a pandemic

A new perspective to be published in the International Journal of Sustainable Development suggests that the current sustainable development framework is strong enough to face long-term global challenges including poverty ...

Pathways to sustainable land use and food systems

The findings of a new report by the Food, Agriculture, Biodiversity, Land-Use, and Energy (FABLE) Consortium, suggest that integrated strategies across food production, biodiversity, climate, and diets can meet the objectives ...

Single laser produces high-power dual comb femtosecond pulses

Researchers have developed a new approach that uses a single laser cavity to create two high-power optical frequency combs emitting high-power femtosecond pulses. The new development paves the way for portable dual-comb light ...

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