MY daughter has two terriers, one black, the other white; she has noticed that in the dusk of the evening the black dog is much more visible than the white one, and has asked me the reason for ...

In the natural world, the absence of bright colours is anything but dull. Black or white, or combinations of both, adorn some of nature's most charismatic creatures. The panda's scientific name, ...

B lack and white ... nature. From zebras and dalmatians to pandas and sergeant butterflies, the classic shades are also seen in a variety of birds. While a few are completely white and some fully ...

When most people think about traditional nature photography, black and white images of towering mountains and rushing rivers in the American West are often what comes to mind. It's a genre that ...

section to fraternal twin girls, one black and one white. Although occurrences of this nature sometimes occur when a woman conceives twins fathered by two different men, this was a much rarer case ...

From a series of experiments, researchers learned that subjects were more likely to recall the color version of an image than the same scene in black and white. The results, which appear in the ...