This rash does not whiten when pressed with a glass - the 'glass test'.

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Another would attempt to whiten clouds over the oceans by wafting tiny salt particles up into them.

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The Foodys ended up selling enzymes to clarify apple juice, whiten paper, and give blue jeans that stonewashed look, without the stones.

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Apparently, this new filter adds the ability to whiten teeth, widen eyes, soften skin and even overlay a rainy day window or magazine-like layouts to shots.

ENGADGET

On the WX300 and TX30 cameras, Beauty Effect mode lets users automatically re-touch photos after shooting to remove skin blemishes, widen eyes and whiten teeth as needed.

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Diversa, a California biotech, has isolated an enzyme from a volcanic crater in Russia that is now being used to help whiten paper, reducing the need for chlorine dioxide, an environmental pollutant.

FORBES: Magazine Article

Historically, nightingale bird droppings were used to remove stains from delicate silk garments in Japan, as well as by geishas to whiten and even skin marred by frequent and heavy use of makeup, Pacheco says.

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The ground began to whiten.

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The problem that confronted Dr Whiten and Dr Boesch was how to disentangle which of chimpanzees' many behaviour patterns are genetically instinctive, which are learnt by individuals in isolation (and so are not cultural, because not copied from others) and which are culturally transmitted (by animals copying one another).

ECONOMIST: Chimpanzee behaviour: Culture club | The