This video shows the process of drawing a vibrant yellow flower in a vase, focusing on the delicate details of each petal and the graceful curves of the vase. The step-by-step approach brings a ...

A final orange and yellow flowered plant in my garden — flower calyces are yellow while petals are orange — is Dyckia (DICK-ee-uh). This plant is so uncommon that it does not really have a ...

Researchers have spotted a never-before-seen chemical effect in Vincent Van Gogh's Flowers In A Blue Vase that is dulling the work's vibrant yellows. It seems a layer of varnish added later to ...

Normally, cadmium yellow grows paler and less vibrant as it ages. So the team again took tiny samples of the work to some of Europe's largest sources of X-rays: the ESRF in France and Desy in Germany.