Do You Have Toenail Fungus?

Do you have toenail fungus? If so, you have something in common with California sycamores, avocado trees, date palms, and tomato plants.  You see, toenail fungus, as well as certain fungi from which ...

It Really is All About the Trees

It really is all about the trees. Most of the correspondence sent my way involves trees.  Questions about fruit trees, especially citrus trees, are the most common.   Suggestions are also sought for ...

Why Blue Flowers are Rare

Blue is the rarest flower color, seen on only 10 percent of the 280,000 flowering plants on Earth. Among those who specialize in color analysis, it is sometimes claimed that, in reality, there has ne...