You might remember the hullabaloo a couple of years ago surrounding the color of a certain dress – some claimed it was gold and others swore it was blue. The reason for the disagreement was due to ...

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Colour perception, an essential aspect of human vision, enables us to interpret and interact with our environment reliably despite fluctuating illumination. At the core of this capability is colour ...

The worker gathers sugar solution from an artificial “flower” made of a transparent acrylic jar with a circular-coloured paper attached to the inside. Tsukuba, Japan—Pollinating insects such as bumble ...