Health

Why lead is dangerous, and the damage it does

Everything is a toxin, or has the potential to be, in the field of toxicology. In the 1500s, Swiss physician Paracelsus, the father of toxicology, coined his famous dictum: "What is there that is not poison? All things are ...

Psychology & Psychiatry

Beauty in the biased eye of the beholder

When we pass through an art gallery, what determines our idea of beauty? A University of Sydney study of how people rate the aesthetics of each artwork shows part of our aesthetic assessment is due to the painting you saw ...

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Paint

Paint is any liquid, liquefiable, or mastic composition which after application to a substrate in a thin layer is converted to an opaque solid film. One may also consider the digital mimicry thereof. It is most commonly used to protect, color or provide texture to objects.

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