Spotted: Rare spotted penguin

(Phys.org)—Little penguins, also known as fairy penguins, usually have a white belly and dark blue back to camouflage them from predatory eagles above and their fish prey below.

Modern Turkey: Modern Miracle

(PhysOrg.com) -- Many of us will sit down with our families to a wonderful turkey dinner this Thanksgiving. But statistics increasingly show that Americans consider turkey a year-round staple.

A blue pigment found to be a high-performance ammonia adsorbent

Akira Takahashi (Researcher) and institutional collaborators have discovered that the blue pigment Prussian blue has a higher adsorption capacity than common ammonia adsorbents, and controlled the structure of Prussian blue ...

The effectiveness of 3-D camouflage

Over 100 years ago, the American artist Abbot Thayer proposed that the reason so many animals are darker on their backs than their bellies is to disguise their 3-D shape and so improve camouflage.

Painting by numbers

Individuals of a particular species generally differ from one another. We are clearly most adept at recognizing members of our own species, although dog and cat owners will be ready to confirm that their pets look unique. ...

Why have Murillo's skies turned grey?

Smalt was one of the blue pigments the most commonly used by the artists between the 16th and 18th centuries. Unfortunately, this pigment is unstable and tends to fade with time. Researchers from the new European platform ...

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