Reach back and recall your grade-school days and the simple science behind deciduous tree leaves changing color every fall.

A single large pin oak tree can rain down up to 400,000 oak leaf itch mites per day. Oak mites can live through the winter in protected areas or within leaves/leaf litter on the ground.

Sure we traditionally have some autumn color in our trees. The maples turn a pretty red color, but the red oak leaves generally turn brown and fall to the ground. However, this year seems different.

Today's indie app of the day is Autumn Leaves in HD. It's a live wallpaper with stunning, subtle visuals that is perfect for all fans of the fall.

The two-horned oak gall wasp is just one of dozens of species of gall wasps that incubate their eggs in oak leaves.

Question for Dan Gill: There have been tons of leaves falling from the live oak in the yard of the house I just moved into. What gives? I thought live oaks were evergreen. — Elizabeth Naquin ...

Oak galls, those small fuzzy yellow or brown balls on oak leaves and branches, may signify the health of your tree, Texas A&M AgriLife says.

This Monterrey oak, which normally loses its leaves in late winter, has been dropping a lot of leaves during the fall.

The city of Royal Oak sold lawn signs that residents used to show their support for leaving the leaves alone. Photo courtesy of city of Royal Oak.

The fuzzy tan round balls on the backs of oak leaves are abnormal growths called wooly oak galls. (LSU AgCenter) Question: I have a beautiful live oak in front of my house and it is dropping ...