LOUIS – We are moving quickly towards the peak of the fall color season ... they are filled with chlorophyll, which absorbs the red and blue portions of the light spectrum but reflects green.

The process of changing leaf colors is often referred to as “fall foliage.” But what exactly happens scientifically to cause ...

This food-making process takes place in the leaf in numerous cells containing chlorophyll, which gives the leaf its green color. This extraordinary chemical absorbs from sunlight the energy that is ...

To understand the color and chemical signature such a ... Even though the Sun emits less light in that spectrum, chlorophyll were part of a more advanced, efficient system at producing ...

This preference corresponds to the directions of maximum transition probability of the electronic transitions which give rise to the different absorption bands in the spectra. By studying ...