Scientists have long questioned whether the vibrant colors of fall foliage serve an evolutionary purpose. One theory suggests red pigments protect leaves from sun damage, allowing trees to absorb more ...
Hosted on MSN
Why do leaves change color in the fall?
Autumn heralds the arrival of cooler weather, shorter days and colorful scenes across the United States as trees start to prepare for the colder months ahead. The vibrant foliage can be credited to ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results