Catastrophic Thinking. Catastrophic thinking can be recognised in individuals who repeatedly overestimate the potential dangers or negative implications of future events to occur (either in themselves or their loved ones). Catastrophic thinkers will often predict the worst case scenarios coming true that others would consider unrealistic and irrational.
A burl (American English) or bur or burr (used in all non-US English speaking countries) is a tree growth in which the grain has grown in a deformed manner. It is commonly found in the form of a rounded outgrowth on a tree trunk or branch that is filled with small knots from dormant buds.mboyna burl is a particularly expensive type of burl, costing $300.00 b/f to $72.00 per pound, much more than bigleaf maple burl, for example. It comes from padauk trees (Pterocarpus spp.) of Southeast Asia.
What is a burl? The simple answer is that a burl is a mutated growth that will sometimes happen on a tree. Instead of normal growth a burl can form on the side of the tree trunk or underground where the trunk meets the roots.There are quite a few variations of burl growths.The most common is what we call a pin burl.This sort of burl will form a bulge with hundreds of small pins poking outward from the surface.nstead of normal growth a burl can form on the side of the tree trunk or underground where the trunk meets the roots. There are quite a few variations of burl growths. The most common is what we call a pin burl. This sort of burl will form a bulge with hundreds of small pins poking outward from the surface.