New study says nanoparticles don't penetrate the skin

(Phys.org)—Research by scientists at the University of Bath is challenging claims that nanoparticles in medicated and cosmetic creams are able to transport and deliver active ingredients deep inside the skin.

Why doesn't water help with spicy food? What about milk or beer?

Spicy foods taste spicy because they contain a family of compounds called capsaicinoids. Capsaicin is the major culprit. It's found in chilies, jalapeños, cayenne pepper, and is even the active ingredient in pepper spray.

Cognitive effort investment: Does disposition become action?

In a recent study conducted by the Collaborative Research Centre 940 Volition and Cognitive Control of Dresden University of Technology, psychologists systematically related the trait cognitive effort investment to actual ...

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