On my morning walks to Northwest, I’ve watched the great magnolia tree go from barren branches ... The apple had not ripened and remained a pale shade of green. My bite revealed the yellow ...

Even thousands of light-years away ... the Christmas spirit. Images released by NASA this week show a grouping of stars from the NGC 2264 cluster illuminated in bright green, blue and white ...

The tree turned green the star is yellow and the ornaments were pink.' This is an example of the afterimage illusion. When you look at the purple tree, the light-sensitive cells in your eye which ...

Light green lichens and mosses that grow on the bark of oak trees do not harm the tree. (Mike Zacchino/2015) We're well into a record-breaking stormy winter, but gardening questions never end.

Leaves have a number of pigments, including chlorophylls, that are involved to a greater or lesser extent in photosynthesis: using light ... the tree to absorb as nutrients. As the green ...